[{"data":1,"prerenderedAt":77},["ShallowReactive",2],{"post-e7b673575117b87be87":3,"recom-e7b673575117b87be87":22},{"summary":4,"updateTime":5,"title":6,"cateName":7,"content":8,"tags":9,"cover":10,"createTime":11,"cateId":12,"isTop":13,"nickname":14,"siteId":15,"id":16,"isPage":13,"slug":17,"views":18,"status":19,"uid":16,"coverImageUrl":20,"createDate":21,"cate":12,"keywords":9},"Ten Daily Electronic Common Sense-151 Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.",1776841279522,"Ten Daily Electronic Common Sense-151","Tutorials","\u003Cdiv class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\u003Cdiv class=\"wp-block-group__inner-container\">\r\n\u003Cdiv class=\"wp-block-columns has-small-font-size is-layout-flex wp-container-2 wp-block-columns-is-layout-flex\">\r\n\u003Cdiv class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n\u003Cfigure class=\"wp-block-image size-large\">\u003Cimg fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" decoding=\"async\" width=\"650\" height=\"303\" src=\"/uploads/2022/12/01-7-650x303.png\" alt=\"\" class=\"wp-image-14402\" srcset=\"uploads/2022/12/01-7-650x303.png 650w, uploads/2022/12/01-7-400x186.png 400w, uploads/2022/12/01-7-250x117.png 250w, uploads/2022/12/01-7-768x358.png 768w, uploads/2022/12/01-7-150x70.png 150w, uploads/2022/12/01-7-800x373.png 800w, uploads/2022/12/01-7.png 869w\" sizes=\"(max-width: 650px) 100vw, 650px\" />\u003C/figure>\r\n\u003C/div>\r\n\u003C/div>\r\n\u003C/div>\u003C/div>\r\n\r\n\r\n\r\n\u003Cdiv id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\r\n\u003Cdiv class=\"ez-toc-title-container\">\r\n\u003Cp class=\"ez-toc-title \" >Table of Contents\u003C/p>\r\n\u003Cspan class=\"ez-toc-title-toggle\">\u003Ca href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\">\u003Cspan class=\"ez-toc-js-icon-con\">\u003Cspan class=\"\">\u003Cspan class=\"eztoc-hide\" style=\"display:none;\">Toggle\u003C/span>\u003Cspan class=\"ez-toc-icon-toggle-span\">\u003Csvg style=\"fill: #999;color:#999\" xmlns=\"http://www.w3.org/2000/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\">\u003Cpath d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\">\u003C/path>\u003C/svg>\u003Csvg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http://www.w3.org/2000/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\">\u003Cpath d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"/>\u003C/svg>\u003C/span>\u003C/span>\u003C/span>\u003C/a>\u003C/span>\u003C/div>\r\n\u003Cnav>\u003Cul class='ez-toc-list ez-toc-list-level-1 ' >\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-1\" href=\"#What_kinds_of_security_status_are_there_through_secure_message_transmission\" title=\"What kinds of security status are there through secure message transmission?\">What kinds of security status are there through secure message transmission?\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-2\" href=\"#What_is_the_structure_of_the_hot_wire_air_flow_sensor\" title=\"What is the structure of the hot wire air flow sensor?\">What is the structure of the hot wire air flow sensor?\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-3\" href=\"#What_is_the_SDA_output\" title=\"What is the SDA output?\">What is the SDA output?\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-4\" href=\"#The_difference_between_FET_and_transistor%EF%BC%9A\" title=\"The difference between FET and transistor：\">The difference between FET and transistor：\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-5\" href=\"#What_addressing_methods_does_the_Motorola_MC68HC08_series_have\" title=\"What addressing methods does the Motorola MC68HC08 series have?\">What addressing methods does the Motorola MC68HC08 series have?\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-6\" href=\"#What_are_the_different_requirements_for_electronic_equipment_under_different_system_operating_conditions\" title=\"What are the different requirements for electronic equipment under different system operating conditions?\">What are the different requirements for electronic equipment under different system operating conditions?\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-7\" href=\"#What_is_the_role_of_the_Receive_Buffer_RxB\" title=\"What is the role of the Receive Buffer (RxB)?\">What is the role of the Receive Buffer (RxB)?\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-8\" href=\"#What_is_an_electrolyte_solution\" title=\"What is an electrolyte solution?\">What is an electrolyte solution?\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-9\" href=\"#What_is_a_front_impact_sensor\" title=\"What is a front impact sensor?\">What is a front impact sensor?\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-2'>\u003Ca class=\"ez-toc-link ez-toc-heading-10\" href=\"#What_is_the_basic_structure_of_the_FPGA\" title=\"What is the basic structure of the FPGA?\">What is the basic structure of the FPGA?\u003C/a>\u003C/li>\u003C/ul>\u003C/nav>\u003C/div>\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_kinds_of_security_status_are_there_through_secure_message_transmission\">\u003C/span>\u003Cfont style=\"vertical-align: inherit;\">\u003Cfont style=\"vertical-align: inherit;\">What kinds of security status are there through secure message transmission?\u003C/font>\u003C/font>\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>There are several security measures and statuses associated with secure message transmission. Here are some common ones:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Encryption: Encryption is a fundamental security measure used to protect the confidentiality of messages. It involves encoding the message using cryptographic algorithms, making it unreadable to anyone who does not possess the decryption key.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Transport Layer Security (TLS): TLS is a protocol that ensures secure communication over a network. It establishes an encrypted connection between a client and a server, preventing unauthorized access and eavesdropping.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Secure Sockets Layer (SSL): SSL is the predecessor of TLS, providing secure communication between web browsers and servers. SSL certificates authenticate the identity of the server and enable encryption.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>End-to-End Encryption (E2EE): E2EE ensures that messages are encrypted from the sender to the intended recipient, without intermediaries being able to access the plaintext. Only the sender and recipient possess the encryption keys required to decrypt the messages.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Forward Secrecy: Forward secrecy, also known as perfect forward secrecy (PFS), ensures that even if an encryption key is compromised in the future, previous communications remain secure. Each session generates a unique key, preventing the exposure of past messages.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Digital Signatures: Digital signatures verify the authenticity and integrity of a message. They are created using the sender’s private key and can be verified using the corresponding public key, providing assurance that the message has not been tampered with and originated from the claimed sender.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Two-Factor Authentication (2FA): 2FA adds an additional layer of security by requiring users to provide two different types of authentication factors, typically something they know (like a password) and something they possess (like a physical token or a mobile device).\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Secure Message Protocols: Various protocols, such as Pretty Good Privacy (PGP), Secure/Multipurpose Internet Mail Extensions (S/MIME), and OpenPGP, provide standards for secure message transmission. These protocols incorporate encryption, digital signatures, and other security measures.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_is_the_structure_of_the_hot_wire_air_flow_sensor\">\u003C/span>What is the structure of the hot wire air flow sensor?\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>A hot wire air flow sensor, also known as a mass air flow (MAF) sensor, is a device used in automotive engines to measure the amount of air entering the engine. The structure of a typical hot wire air flow sensor consists of the following components:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Sensor Element: The sensor element is the main part of the hot wire air flow sensor and is responsible for measuring the airflow. It usually consists of a thin wire made of platinum or another heat-resistant material. The wire is heated to a constant temperature using an electric current.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Housing: The sensor element is enclosed within a housing, which is typically made of plastic. The housing protects the sensor element from external influences and provides mechanical support.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Intake Tube: The hot wire air flow sensor is located in the intake tube of the engine, usually positioned between the air filter and the throttle body. The intake tube directs the incoming air toward the sensor element.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Electronics: The hot wire air flow sensor is connected to the engine control unit (ECU) through electrical wiring. The ECU provides the necessary power to heat the sensor element and receives the signal generated by the sensor to calculate the mass airflow.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>Working Principle: The hot wire air flow sensor operates based on the cooling effect of the airflow passing over the heated wire. As the air flows over the wire, it cools down the wire, causing a change in its electrical resistance. The ECU measures the electrical current required to maintain the wire at a constant temperature, which changes as a result of the cooling effect. The change in current is used to determine the mass of the airflow.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The hot wire air flow sensor’s structure and working principle may vary slightly among different manufacturers and models, but the fundamental concept remains the same. It is an essential component in modern engine management systems, helping to optimize fuel injection and ensure proper air-fuel ratio for efficient combustion.\u003C/p>\r\n\r\n\r\n\r\n\u003Cfigure class=\"wp-block-image size-large\">\u003Cimg decoding=\"async\" width=\"650\" height=\"422\" src=\"/uploads/2023/05/QQ截图20230523183658-650x422.jpg\" alt=\"\" class=\"wp-image-14746\" srcset=\"uploads/2023/05/QQ截图20230523183658-650x422.jpg 650w, uploads/2023/05/QQ截图20230523183658-400x260.jpg 400w, uploads/2023/05/QQ截图20230523183658-250x162.jpg 250w, uploads/2023/05/QQ截图20230523183658-768x498.jpg 768w, uploads/2023/05/QQ截图20230523183658-150x97.jpg 150w, uploads/2023/05/QQ截图20230523183658-800x519.jpg 800w, uploads/2023/05/QQ截图20230523183658-1200x779.jpg 1200w, uploads/2023/05/QQ截图20230523183658.jpg 1342w\" sizes=\"(max-width: 650px) 100vw, 650px\" />\u003C/figure>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_is_the_SDA_output\">\u003C/span>What is the SDA output?\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>The SDA (Serial Data) output is a signal line in a serial communication protocol called I2C (Inter-Integrated Circuit). I2C is a commonly used bus protocol for communication between integrated circuits on a circuit board.In an I2C system, the SDA line carries bidirectional serial data, meaning it can transmit and receive data. The SDA line is used for transmitting and receiving data between the I2C master device and the I2C slave devices connected on the bus.The SDA line operates using a two-wire interface, which includes the SDA line and the SCL (Serial Clock) line. The SDA line carries the actual data being transmitted or received, while the SCL line provides the clock signal used for synchronizing the data transfer.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The SDA line is typically driven by an open-drain or open-collector output, allowing multiple devices to share the bus and control the SDA line. Each device connected to the bus has a unique address, and the I2C protocol ensures that only the intended recipient receives the data sent on the SDA line.The SDA line’s logic level is determined by the transmitting device, which can drive it either high or low. The receiving device, on the other hand, can only pull the SDA line low or release it, allowing the line to be pulled high by a pull-up resistor.By toggling the SCL line and reading or writing data on the SDA line, devices on the I2C bus can communicate with each other, enabling data transfer and control in various electronic systems and components.\u003C/p>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"The_difference_between_FET_and_transistor%EF%BC%9A\">\u003C/span>The difference between FET and transistor：\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>A Field-Effect Transistor (FET) and a transistor are both electronic devices used for amplification and switching purposes, but they have some key differences in terms of structure and operation. Here are the main differences between FETs and transistors:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Structure: The basic transistor structure consists of three layers of semiconductor material: the emitter, base, and collector. Transistors are typically classified into two main types: bipolar junction transistors (BJTs) and junction field-effect transistors (JFETs). FETs, on the other hand, are majority carrier devices and have a different structure. They are composed of three main regions: the source, gate, and drain. FETs are further categorized into two types: Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs) and Junction Field-Effect Transistors (JFETs).\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Operation: The operation of transistors and FETs is based on different principles. Transistors are current-controlled devices, where the base current controls the collector current in BJTs, or the gate current controls the channel between source and drain in JFETs. In contrast, FETs are voltage-controlled devices, meaning the voltage applied to the gate controls the current flow between the source and drain. The gate voltage controls the depletion region’s width or the conductivity of the channel, allowing or blocking current flow.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Input Impedance: FETs typically have a very high input impedance, making them less susceptible to loading effects from connected circuits. They require very little input current to control the device. Transistors, on the other hand, have lower input impedance, and their operation depends on the current flowing into the base or gate terminal.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Switching Speed: FETs generally have faster switching speeds compared to transistors. This is because FETs do not have the minority carrier storage and recombination time associated with bipolar transistors. The absence of this inherent capacitance allows FETs to switch on and off more quickly, making them suitable for high-frequency applications.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Voltage Handling: FETs can typically handle higher voltages compared to transistors. This is due to the absence of current flow through the gate terminal, allowing FETs to have higher breakdown voltage ratings. Transistors, especially BJTs, have limitations on the maximum voltage they can handle.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Thermal Stability: FETs generally exhibit better thermal stability compared to transistors. This is because FETs are voltage-controlled devices, and their characteristics are less affected by temperature variations compared to transistors.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_addressing_methods_does_the_Motorola_MC68HC08_series_have\">\u003C/span>What addressing methods does the Motorola MC68HC08 series have?\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>The Motorola MC68HC08 series, also known as the HC08 microcontrollers, supports multiple addressing modes to facilitate accessing memory and peripherals. The specific addressing modes available in the HC08 series are as follows:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Immediate Addressing: With immediate addressing, the operand or data is directly specified within the instruction itself. It allows immediate data values to be used as operands for arithmetic or logical operations.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Direct Addressing: Direct addressing mode involves specifying the memory address directly in the instruction. The instruction operates on the data stored at that specific memory location.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Indexed Addressing: Indexed addressing mode allows addressing memory locations using a base address and an offset. The offset value is added to the base address, and the resulting address is used to access the memory or data.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Extended Addressing: Extended addressing mode is used when accessing memory locations outside the 64KB address space of the core microcontroller. The instruction specifies a 16-bit address that extends beyond the default address range.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Relative Addressing: Relative addressing mode is used for branching instructions. It involves specifying a relative offset or displacement from the current program counter (PC) value to determine the target address.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Indirect Addressing: Indirect addressing allows the use of a memory location as a pointer to another memory location. Instead of directly specifying the address, the instruction uses the content of a memory location as the address.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Stack Pointer Addressing: Stack pointer addressing is used to push or pop data onto or from the stack. The stack pointer register is used as an implicit operand, and the stack operations are performed relative to its value.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_are_the_different_requirements_for_electronic_equipment_under_different_system_operating_conditions\">\u003C/span>What are the different requirements for electronic equipment under different system operating conditions?\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>The requirements for electronic equipment can vary depending on the system’s operating conditions. Here are some common factors that may impact the requirements for electronic equipment:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Temperature: Operating temperature range is a critical consideration for electronic equipment. Some systems operate in extreme temperature environments, such as industrial or automotive applications, where equipment must withstand high or low temperatures without performance degradation or failure. The electronic components and materials used in such equipment should be able to handle the specified temperature range.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Humidity: High humidity levels can cause condensation, leading to moisture-related issues like corrosion and short circuits. Electronic equipment intended for humid environments, such as outdoor or marine applications, may require additional protection, such as conformal coating, sealed enclosures, or moisture-resistant components.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Altitude: Operating at high altitudes affects air pressure and can impact the performance of electronic equipment. Systems used in aviation or mountainous regions may require design considerations to ensure proper functioning at varying atmospheric pressures.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Shock and Vibration: Some applications expose electronic equipment to mechanical shock and vibration, such as in automotive, aerospace, or industrial settings. Equipment intended for these environments needs to be designed to withstand and mitigate the effects of shocks and vibrations to prevent component damage or malfunction.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>EMI/EMC Compliance: Electronic equipment should meet electromagnetic interference (EMI) and electromagnetic compatibility (EMC) requirements. These regulations ensure that the equipment operates reliably in the presence of electromagnetic noise and doesn’t interfere with other devices or systems. Compliance may involve shielding, filtering, grounding, and proper circuit layout techniques.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Power Supply: Different operating conditions may require specific power supply considerations. For example, equipment used in remote or off-grid locations may require efficient power management or alternative power sources like batteries or solar panels.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Environmental Factors: Specific industries or applications may have unique environmental requirements. For instance, equipment used in hazardous locations might need to meet specific safety standards, such as explosion-proof or intrinsically safe designs.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Reliability and Redundancy: Critical systems may demand high reliability and redundancy to minimize the risk of failure. Redundant power supplies, backup systems, fault tolerance, and failure detection mechanisms can be necessary for applications where downtime or system failure is unacceptable.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cfigure class=\"wp-block-image size-large\">\u003Cimg decoding=\"async\" width=\"650\" height=\"368\" src=\"/uploads/2023/05/3.2_proc-650x368.jpg\" alt=\"\" class=\"wp-image-14747\" srcset=\"uploads/2023/05/3.2_proc-650x368.jpg 650w, uploads/2023/05/3.2_proc-400x227.jpg 400w, uploads/2023/05/3.2_proc-250x142.jpg 250w, uploads/2023/05/3.2_proc-150x85.jpg 150w, uploads/2023/05/3.2_proc.jpg 706w\" sizes=\"(max-width: 650px) 100vw, 650px\" />\u003C/figure>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_is_the_role_of_the_Receive_Buffer_RxB\">\u003C/span>What is the role of the Receive Buffer (RxB)?\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>The Receive Buffer (RxB) plays a crucial role in data communication and is typically associated with serial communication interfaces such as UART (Universal Asynchronous Receiver-Transmitter) or USART (Universal Synchronous/Asynchronous Receiver-Transmitter). The RxB is a memory location or a dedicated hardware register that temporarily stores incoming data before it is processed by the receiving device or software. Its primary role is to provide a storage space where received data can be held until it is ready for further processing.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Here are some key aspects of the Receive Buffer’s role:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Data Reception: When data is received by the communication interface, it is typically transferred into the Receive Buffer. This buffer acts as an intermediate storage location where the received data bytes are stored. The buffer can be a dedicated hardware register or a portion of memory allocated for this purpose.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Temporary Storage: The Receive Buffer temporarily holds the received data until it can be processed by the receiving device or software. This temporary storage allows the receiving device or software to access the received data at its own pace, preventing data loss due to timing mismatches.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Data Processing: Once the data is stored in the Receive Buffer, the receiving device or software can read the data from the buffer and process it as required. This processing may involve tasks such as data decoding, error checking, protocol handling, or further application-specific processing.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Flow Control: In some cases, the Receive Buffer can be used for flow control purposes. Flow control mechanisms help regulate the data flow between the sender and receiver to avoid overwhelming the receiving device with data. The Receive Buffer can be used as part of flow control protocols to manage the rate of incoming data and prevent buffer overflow.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Interrupt Generation: Many serial communication interfaces generate an interrupt signal when new data arrives and is stored in the Receive Buffer. This interrupt serves as a notification to the system or software that new data is available for processing. The interrupt handler can then respond by reading the data from the Receive Buffer and initiating the necessary actions.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_is_an_electrolyte_solution\">\u003C/span>What is an electrolyte solution?\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>An electrolyte solution is a liquid or solvent that contains ions capable of conducting an electric current. It is formed when certain substances, known as electrolytes, dissolve in a solvent, typically water. Electrolyte solutions play a crucial role in various fields, including chemistry, biology, and electrochemistry.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Here are some key characteristics and properties of electrolyte solutions:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Dissolved Ions: Electrolyte solutions consist of ions, which are electrically charged particles. These ions can be either positively charged (cations) or negatively charged (anions). Common electrolytes include salts, acids, and bases.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Conductivity: One of the defining properties of electrolyte solutions is their ability to conduct electricity. The dissolved ions in the solution can move freely and carry an electric charge, allowing for the flow of electric current.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Ionization/Dissociation: Electrolyte compounds in a solvent undergo ionization or dissociation, which means they break apart into individual ions. For example, when table salt (sodium chloride, NaCl) dissolves in water, it dissociates into sodium ions (Na+) and chloride ions (Cl-).\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Ion Mobility: In an electrolyte solution, ions are mobile and can move freely within the solution under the influence of an electric field. The mobility of ions contributes to the conductivity of the solution.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Concentration: The concentration of electrolytes in a solution affects its conductivity. Higher concentrations of dissolved electrolytes typically result in greater conductivity, as there are more ions available for charge transport.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>pH and Acidity: Some electrolyte solutions, such as acids and bases, can influence the pH of a solution. Acids release hydrogen ions (H+) into the solution, making it acidic, while bases release hydroxide ions (OH-) and increase the alkalinity.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Electrochemical Reactions: Electrolyte solutions are essential in electrochemical processes, such as electrolysis and batteries. These solutions facilitate the movement of ions, allowing for the transfer of electrons during redox reactions.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_is_a_front_impact_sensor\">\u003C/span>What is a front impact sensor?\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>A front impact sensor, also known as a frontal crash sensor or front accelerometer, is a component used in automotive safety systems to detect and measure the severity of a frontal impact or collision. It is typically located in the front portion of a vehicle, such as the front bumper or the engine compartment.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The primary function of a front impact sensor is to provide input to the vehicle’s airbag control module (also known as the airbag control unit or crash sensor module) in the event of a frontal collision. The sensor detects the sudden changes in acceleration or deceleration that occur during a crash and sends a signal to the airbag control module to deploy the appropriate airbags and initiate other safety measures.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Here are some key aspects and features of front impact sensors:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Acceleration Measurement: Front impact sensors are designed to measure the acceleration forces experienced by the vehicle during a collision. They typically use accelerometers, which are electronic sensors capable of detecting changes in acceleration along specific axes.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Threshold Detection: Front impact sensors are calibrated to activate and trigger the airbag system when the measured acceleration exceeds a predetermined threshold. The threshold is typically set to detect significant impacts that pose a risk to the occupants.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Collision Severity Assessment: By measuring the acceleration forces, front impact sensors can help assess the severity of a collision. This information is used by the airbag control module to determine the appropriate deployment strategy for the airbags, including the number of airbags to deploy, the deployment timing, and the inflation level.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Multiple Sensors: Some vehicles may have multiple front impact sensors strategically placed at different locations to improve accuracy and reliability in detecting and assessing frontal impacts. Multiple sensors provide redundancy and enhance the system’s ability to detect collisions from different angles.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Integration with Safety Systems: Front impact sensors are part of the overall vehicle safety system, working in conjunction with other components such as airbags, seat belt pretensioners, and crash sensors in different parts of the vehicle. They collaborate to provide a comprehensive safety response in the event of a collision.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Ch2 class=\"wp-block-heading\">\u003Cspan class=\"ez-toc-section\" id=\"What_is_the_basic_structure_of_the_FPGA\">\u003C/span>What is the basic structure of the FPGA?\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h2>\r\n\r\n\r\n\r\n\u003Cp>The basic structure of a Field-Programmable Gate Array (FPGA) consists of three key components: programmable logic blocks (PLBs), programmable interconnects, and input/output (I/O) blocks. These components work together to provide the flexibility and reconfigurability that define an FPGA.\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>Programmable Logic Blocks (PLBs): PLBs are the fundamental building blocks of an FPGA. They are composed of configurable logic elements (LEs) that can be programmed to implement different digital logic functions. LEs typically consist of look-up tables (LUTs) that can be programmed to store truth tables, flip-flops for sequential logic, and multiplexers for routing signals. PLBs can be interconnected and configured to perform complex combinational and sequential logic operations.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Programmable Interconnects: The programmable interconnects provide the routing resources that connect the PLBs and I/O blocks within the FPGA. These interconnects consist of a network of configurable switches and routing channels. The switches can be dynamically programmed to establish connections between various PLBs and I/O blocks, allowing for the creation of specific signal paths based on the desired circuit functionality.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>Input/Output (I/O) Blocks: I/O blocks act as the interface between the FPGA and external devices or systems. They provide the connections for input and output signals, which can include digital signals, analog signals, or specialized interfaces like high-speed serial transceivers. I/O blocks often include features such as voltage level shifters, input/output buffers, and programmable input/output standards to accommodate different signal types and voltage levels.\u003C/li>\r\n\u003C/ol>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","Electronic","uploads/2022/12/01-7-650x303.png",1776793312000,"20db6653d7e85fded62",0,"Admin","2028706543895019522","e7b673575117b87be87","ten-daily-electronic-common-sense-section-151",82,1,"/uploads/2022/12/01-7-650x303.png","Apr 22, 2026",[23,33,42,50,60,69],{"id":24,"title":25,"summary":26,"content":27,"cover":28,"cateId":12,"tags":28,"views":29,"isTop":13,"status":19,"createBy":28,"createTime":30,"updateBy":28,"updateTime":31,"institutionId":28,"isPage":13,"images":28,"horizontalCover":28,"verticalCover":28,"slug":32,"siteId":15},"c047d1a580d380475ed","What are the development tools for supporting 2802x-based applications?","What are the development tools for supporting 2802x-based applications? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">What are the development tools for supporting 2802x-based applications?\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">● CodeComposerStudi0 integrated development environment IDE – c / c compiler A code generation tool An assembler / linker One cycle accurate simulator \u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">● Application algorithm · \u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">",null,238,"2026-04-22 01:44:14","2026-04-22 14:58:27","what-are-the-development-tools-for-supporting-2802x-based-applications",{"id":34,"title":35,"summary":36,"content":37,"cover":28,"cateId":12,"tags":38,"views":39,"isTop":13,"status":19,"createBy":28,"createTime":40,"updateBy":28,"updateTime":31,"institutionId":28,"isPage":13,"images":28,"horizontalCover":28,"verticalCover":28,"slug":41,"siteId":15},"6d16643f4061eb43174","What is the thermocouple sensor made of?","What is the thermocouple sensor made of? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">What is the thermocouple sensor made of?\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">\u003Cspan style=\"font-family: trebuchet-ms;\">A thermocouple sensor is a thermal sensor that uses thermoelectric phenomena.\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>","sensor",229,"2026-04-22 01:43:58","what-is-the-thermocouple-sensor-made-of",{"id":43,"title":44,"summary":45,"content":46,"cover":28,"cateId":12,"tags":47,"views":48,"isTop":13,"status":19,"createBy":28,"createTime":40,"updateBy":28,"updateTime":31,"institutionId":28,"isPage":13,"images":28,"horizontalCover":28,"verticalCover":28,"slug":49,"siteId":15},"61750966158705a45ac","What is the goal of software design for terminal nodes?","What is the goal of software design for terminal nodes? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva; font-size: 12pt;\">\u003Cspan style=\"color: #c70a0a;\">*\u003C/span> \u003Cspan style=\"color: #808080;\">Question\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">What is the goal of software design for terminal nodes?\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cspan style=\"color: #c70a0a;\">\u003Cbr />\r\n\u003Cspan style=\"font-size: 12pt;\">*\u003C/span>\u003C/span>\u003Cspan style=\"color: #808080; font-size: 12pt;\"> Answer\u003C/span>\u003C/span>\u003C/p>\r\n\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"1136\">Data acquisition of analog input and digital input through C language, that is, collecting parameters from electrical equipment in power grid and substation, and classifying data to master the operation status of the substation and the status of electrical equipment in the station;The command, the jump switch, to achieve the purpose of monitoring and control.\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-size: inherit;\">\u003Cbr />\r\n\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","design,terminal",224,"what-is-the-goal-of-software-design-for-terminal-nodes",{"id":51,"title":52,"summary":53,"content":54,"cover":55,"cateId":12,"tags":28,"views":56,"isTop":13,"status":19,"createBy":28,"createTime":57,"updateBy":28,"updateTime":58,"institutionId":28,"isPage":13,"images":28,"horizontalCover":28,"verticalCover":28,"slug":59,"siteId":15},"a39a5d8553e41a5005a","Template Analysis Method For EMC Problems","Template Analysis Method For EMC Problems Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Ctable>\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"198\">\r\n\u003Cp>\u003Cdiv id=\"attachment_5001\" style=\"width: 265px\" class=\"wp-caption alignnone\">\u003Cimg loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" aria-describedby=\"caption-attachment-5001\" decoding=\"async\" class=\" wp-image-5001\" src=\"uploads/2019/10/Forms-of-electromagnetic-interference-400x224.jpg\" alt=\"\" width=\"255\" height=\"143\" srcset=\"uploads/2019/10/Forms-of-electromagnetic-interference-400x224.jpg 400w, uploads/2019/10/Forms-of-electromagnetic-interference-250x140.jpg 250w, uploads/2019/10/Forms-of-electromagnetic-interference-150x84.jpg 150w, uploads/2019/10/Forms-of-electromagnetic-interference.jpg 640w\" sizes=\"(max-width: 255px) 100vw, 255px\" />\u003Cp id=\"caption-attachment-5001\" class=\"wp-caption-text\">\u003C/span> \u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The form of electromagnetic interference\u003C/span>\u003C/p>\u003C/div>\u003C/td>\r\n\u003Ctd width=\"425\">\r\n\u003Cp>\u003Cdiv id=\"attachment_5004\" style=\"width: 376px\" class=\"wp-caption alignnone\">\u003Cimg fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" aria-describedby=\"caption-attachment-5004\" fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-5004\" src=\"uploads/2019/10/The-main-form-of-electromagnetic-interference-400x182.jpg\" alt=\"\" width=\"366\" height=\"166\" srcset=\"uploads/2019/10/The-main-form-of-electromagnetic-interference-400x182.jpg 400w, uploads/2019/10/The-main-form-of-electromagnetic-interference-250x114.jpg 250w, uploads/2019/10/The-main-form-of-electromagnetic-interference-150x68.jpg 150w, uploads/2019/10/The-main-form-of-electromagnetic-interference.jpg 562w\" sizes=\"(max-width: 366px) 100vw, 366px\" />\u003Cp id=\"caption-attachment-5004\" class=\"wp-caption-text\">\u003C/span> \u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The main form of electromagnetic interference\u003C/span>\u003C/p>\u003C/div>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The electromagnetic interference problem is a key issue in any hardware design field. It is especially important to understand the initial dry electromagnetic interference problem to solve this problem.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Cstrong>The electromagnetic interference model has three basic elements:\u003C/strong>\u003C/span>\u003C/p>\r\n\u003Col>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">There is electromagnetic interference energy.\u003C/span>\u003C/li>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">There is a device that is subject to electromagnetic interference.\u003C/span>\u003C/li>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">There is a coupling channel to transmit electromagnetic energy between the interfered and interfered devices.\u003C/span>\u003C/li>\r\n\u003C/ol>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Electromagnetic interference only occurs when these three basic elements are met at the same time. EMC engineers should determine the EMC design content and design direction based on the physical structure.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The EMC analysis template is determined by the electrical length of the structure. Converting the physical dimensions of the device structure to electrical length is the starting point for design and problem finding. The combination and connection of templates constitute a model for analyzing electromagnetic compatibility problems. The template analysis method is to select the appropriate template and electromagnetic logic connection according to the actual problem and structure to form a dynamic process of complete electromagnetic interference phenomenon.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The EMC design of printed circuit boards is the cheapest and most effective way to eliminate the main sources of RF interference. When the interference source on the printed circuit board and the victim device exist in the same small space, the engineer must control the electromagnetic energy generated. This means that electromagnetic energy is only present at the required assembly parts. This is the method of removing EMC problems, electromagnetic suppression or electromagnetic cancellation.\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","uploads/2019/10/Forms-of-electromagnetic-interference-400x224.jpg",498,"2026-04-22 01:43:54","2026-04-22 14:58:28","template-analysis-method-for-emc-problems",{"id":61,"title":62,"summary":63,"content":64,"cover":65,"cateId":12,"tags":28,"views":66,"isTop":13,"status":19,"createBy":28,"createTime":67,"updateBy":28,"updateTime":58,"institutionId":28,"isPage":13,"images":28,"horizontalCover":28,"verticalCover":28,"slug":68,"siteId":15},"86325bcdfe62f25cc0b","Judgment Method of Three Types of Amplifiers","Judgment Method of Three Types of Amplifiers Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Triode based audio and electronic amplifiers are very commonly found in many walks of life. Although, the transistor based amplifiers created the danger of obsolescence of tube amplifiers, the tube amplifiers have succeeded in maintaining a cult following amongst the audiophiles. The main reason behind this is the warm and crunchy sound response of tube amplifiers.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The main component in tube amplifiers is the triode. Triode is essentially an amplifying vacuum tube which consists of three electrodes inside a glass casing. The electrodes are known as anode, cathode, and grid respectively. Triodes were widely used in all types of electronic circuits until they got replaced by transistors. [\u003Ca href=\"#Lee19\">1\u003C/a>]\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">According to the electronic circuit configuration, there are three main types of amplifiers. These types include common emitter, common collector, and common base amplifiers. Following sub-sections provide an ample discussion on these amplifier types.\u003C/span>\u003C/p>\r\n\u003Cdiv id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\r\n\u003Cdiv class=\"ez-toc-title-container\">\r\n\u003Cp class=\"ez-toc-title \" >Table of Contents\u003C/p>\r\n\u003Cspan class=\"ez-toc-title-toggle\">\u003Ca href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\">\u003Cspan class=\"ez-toc-js-icon-con\">\u003Cspan class=\"\">\u003Cspan class=\"eztoc-hide\" style=\"display:none;\">Toggle\u003C/span>\u003Cspan class=\"ez-toc-icon-toggle-span\">\u003Csvg style=\"fill: #999;color:#999\" xmlns=\"http://www.w3.org/2000/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\">\u003Cpath d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\">\u003C/path>\u003C/svg>\u003Csvg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http://www.w3.org/2000/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\">\u003Cpath d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"/>\u003C/svg>\u003C/span>\u003C/span>\u003C/span>\u003C/a>\u003C/span>\u003C/div>\r\n\u003Cnav>\u003Cul class='ez-toc-list ez-toc-list-level-1 ' >\u003Cli class='ez-toc-page-1 ez-toc-heading-level-1'>\u003Ca class=\"ez-toc-link ez-toc-heading-1\" href=\"#Common_Emitter_Amplifier\" title=\"Common Emitter Amplifier\">Common Emitter Amplifier\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-1'>\u003Ca class=\"ez-toc-link ez-toc-heading-2\" href=\"#Common_Collector_Amplifier\" title=\"Common Collector Amplifier\">Common Collector Amplifier\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-1'>\u003Ca class=\"ez-toc-link ez-toc-heading-3\" href=\"#Common_Base_Amplifier\" title=\"Common Base Amplifier\">Common Base Amplifier\u003C/a>\u003C/li>\u003Cli class='ez-toc-page-1 ez-toc-heading-level-1'>\u003Ca class=\"ez-toc-link ez-toc-heading-4\" href=\"#Works_Cited\" title=\"Works Cited\">Works Cited\u003C/a>\u003C/li>\u003C/ul>\u003C/nav>\u003C/div>\r\n\u003Ch1>\u003Cspan class=\"ez-toc-section\" id=\"Common_Emitter_Amplifier\">\u003C/span>\u003Cspan style=\"font-size: 14pt; font-family: 'Trebuchet MS', Geneva;\">Common Emitter Amplifier\u003C/span>\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h1>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Common emitter amplifiers are the most widely used type of amplifiers. Common emitter amplifiers can be identified easily by the grounded emitter terminal. Like all other amplifiers, the CE amplifier also operates on an AC input. The common emitter amplifier is a single-stage amplifier which uses a BJT transistor or a triode as an amplifying element. The circuit of common emitter amplifier is given as following:\u003C/span>\u003C/p>\r\n\u003Cdiv id=\"attachment_4685\" style=\"width: 670px\" class=\"wp-caption alignnone\">\u003Cimg fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" aria-describedby=\"caption-attachment-4685\" fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-4685\" src=\"uploads/2019/09/Figure-1-Common-Emitter-Amplifier-Circuit.jpg\" alt=\"\" width=\"660\" height=\"512\" srcset=\"uploads/2019/09/Figure-1-Common-Emitter-Amplifier-Circuit.jpg 387w, uploads/2019/09/Figure-1-Common-Emitter-Amplifier-Circuit-250x194.jpg 250w, uploads/2019/09/Figure-1-Common-Emitter-Amplifier-Circuit-150x116.jpg 150w\" sizes=\"(max-width: 660px) 100vw, 660px\" />\u003Cp id=\"caption-attachment-4685\" class=\"wp-caption-text\">\u003C/span> \u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Figure 1: Common Emitter Amplifier Circuit\u003C/span>\u003C/p>\u003C/div>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Ca href=\"https://www.elprocus.com/common-emitter-amplifier-circuit-working/\">https://www.elprocus.com/common-emitter-amplifier-circuit-working/\u003C/a>\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The resistors R1 and R2 form a voltage divider circuit which is used for biasing the transistor. The resistor R\u003Csub>E \u003C/sub>provides thermal stability to the amplifier. A coupling capacitor is present on the input side of the transistor which filters out DC component from the signal. [\u003Ca href=\"#Tar19\">2\u003C/a>]\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Major advantages of common emitter amplifier include low input impedance, high output impedance, high power gain, low noise, and high current gain. Main disadvantages of common emitter amplifier include unsuitability for high frequencies, unstable voltage gain, high thermal instability, and high output resistance. The CE amplifiers find their applications in low frequency voltage amplifiers, RF circuits, and low noise amplifiers. [\u003Ca href=\"#Tar19\">2\u003C/a>]\u003C/span>\u003C/p>\r\n\u003Ch1>\u003Cspan class=\"ez-toc-section\" id=\"Common_Collector_Amplifier\">\u003C/span>\u003Cspan style=\"font-size: 14pt; font-family: 'Trebuchet MS', Geneva;\">Common Collector Amplifier\u003C/span>\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h1>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The common collector amplifier can be identified from the grounded collector terminal of the triode or the transistor. The common collector amplifiers are mostly used as buffers in multi-stage amplifier circuits. The CC amplifier circuit is given as following:\u003C/span>\u003C/p>\r\n\u003Cdiv id=\"attachment_4686\" style=\"width: 633px\" class=\"wp-caption alignnone\">\u003Cimg loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" aria-describedby=\"caption-attachment-4686\" decoding=\"async\" class=\" wp-image-4686\" src=\"uploads/2019/09/Figure-2-Common-Collector-Amplifier-or-Emitter-Follower-Circuit.jpg\" alt=\"\" width=\"623\" height=\"509\" srcset=\"uploads/2019/09/Figure-2-Common-Collector-Amplifier-or-Emitter-Follower-Circuit.jpg 329w, uploads/2019/09/Figure-2-Common-Collector-Amplifier-or-Emitter-Follower-Circuit-250x204.jpg 250w, uploads/2019/09/Figure-2-Common-Collector-Amplifier-or-Emitter-Follower-Circuit-150x123.jpg 150w\" sizes=\"(max-width: 623px) 100vw, 623px\" />\u003Cp id=\"caption-attachment-4686\" class=\"wp-caption-text\">\u003C/span> \u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Figure 2 Common Collector Amplifier or Emitter Follower Circuit\u003C/span>\u003C/p>\u003C/div>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\"> \u003Ca href=\"https://www.elprocus.com/common-collector-amplifier-circuit-working/\">https://www.elprocus.com/common-collector-amplifier-circuit-working/\u003C/a>\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The input signal is introduced via the base of the triode whereas the output is taken from the emitter terminal. The main advantages of CC amplifier include high current gain, high input resistance, and low output resistance. The disadvantages of CC amplifier include low voltage gain. The CC amplifiers find their applications as impedance matching amplifiers, isolation amplifiers, and buffer amplifiers in cascade or multi-stage amplifier systems. [\u003Ca href=\"#Dav19\">3\u003C/a>]\u003C/span>\u003C/p>\r\n\u003Ch1>\u003Cspan class=\"ez-toc-section\" id=\"Common_Base_Amplifier\">\u003C/span>\u003Cspan style=\"font-size: 14pt; font-family: 'Trebuchet MS', Geneva;\">Common Base Amplifier\u003C/span>\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h1>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The common base amplifier configuration is not as widely used as the CE and CC amplifiers. They are mostly used in high frequency circuits. In a common base amplifier the base terminal of the triode is connected to the ground, the input signal is applied to the emitter, and the output is taken from the collector terminal. The circuit diagram of the CB amplifier is given as following:\u003C/span>\u003C/p>\r\n\u003Cdiv id=\"attachment_4687\" style=\"width: 688px\" class=\"wp-caption alignnone\">\u003Cimg loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" loading=\"lazy\" aria-describedby=\"caption-attachment-4687\" decoding=\"async\" class=\" wp-image-4687\" src=\"uploads/2019/09/Figure-3-Common-Base-Amplifier-using-an-NPN-Transistor.png\" alt=\"\" width=\"678\" height=\"835\" srcset=\"uploads/2019/09/Figure-3-Common-Base-Amplifier-using-an-NPN-Transistor.png 194w, uploads/2019/09/Figure-3-Common-Base-Amplifier-using-an-NPN-Transistor-150x185.png 150w\" sizes=\"(max-width: 678px) 100vw, 678px\" />\u003Cp id=\"caption-attachment-4687\" class=\"wp-caption-text\">\u003C/span> \u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Figure 3 Common Base Amplifier using an NPN Transistor\u003C/span>\u003C/p>\u003C/div>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">\u003Ca href=\"https://www.electronics-tutorials.ws/amplifier/common-base-amplifier.html\">https://www.electronics-tutorials.ws/amplifier/common-base-amplifier.html\u003C/a>\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The CB amplifiers are used in high frequency circuits where low input impedance is required. They are used in applications such as moving coil microphone pre-amplifiers, UHF, VHF, and RF amplifiers. The advantages of CB amplifier include decent voltage gain and current buffering capability. The disadvantages include need for dual power supply, low input impedance, low current gain, and high output impedance. [\u003Ca href=\"#www19\">4\u003C/a>]\u003C/span>\u003C/p>\r\n\u003Ch1>\u003Cspan class=\"ez-toc-section\" id=\"Works_Cited\">\u003C/span>\u003Cspan style=\"font-size: 14pt; font-family: 'Trebuchet MS', Geneva;\">Works Cited\u003C/span>\u003Cspan class=\"ez-toc-section-end\">\u003C/span>\u003C/h1>\r\n\u003Ctable width=\"630\">\r\n\u003Ctbody>\r\n\u003Ctr>\r\n\u003Ctd width=\"18\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">[1]\u003C/span>\u003C/td>\r\n\u003Ctd width=\"606\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Lee Forest. (2019, August) www.allaboutcircuits.com. [Online]. \u003Ca href=\"https://www.allaboutcircuits.com/textbook/semiconductors/chpt-13/the-triode/\">https://www.allaboutcircuits.com/textbook/semiconductors/chpt-13/the-triode/\u003C/a>\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003Ctr>\r\n\u003Ctd width=\"18\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">[2]\u003C/span>\u003C/td>\r\n\u003Ctd width=\"606\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Tarun Agarwal. (2019, June) www.elprocus.com. [Online]. \u003Ca href=\"https://www.elprocus.com/common-emitter-amplifier-circuit-working/\">https://www.elprocus.com/common-emitter-amplifier-circuit-working/\u003C/a>\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003Ctr>\r\n\u003Ctd width=\"18\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">[3]\u003C/span>\u003C/td>\r\n\u003Ctd width=\"606\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Dave Moldenhauer. (2019, March) www.watelectrical.com. [Online]. \u003Ca href=\"https://www.watelectrical.com/working-and-applications-of-common-collector-amplifier/\">https://www.watelectrical.com/working-and-applications-of-common-collector-amplifier/\u003C/a>\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003Ctr>\r\n\u003Ctd width=\"18\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">[4]\u003C/span>\u003C/td>\r\n\u003Ctd width=\"606\">\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">(2019, August) www.electronics-notes.com. [Online]. \u003Ca href=\"https://www.electronics-notes.com/articles/analogue_circuits/transistor/transistor-common-base-circuit.php\">https://www.electronics-notes.com/articles/analogue_circuits/transistor/transistor-common-base-circuit.php\u003C/a>\u003C/span>\u003C/td>\r\n\u003C/tr>\r\n\u003C/tbody>\r\n\u003C/table>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","uploads/2019/09/Figure-1-Common-Emitter-Amplifier-Circuit.jpg",56,"2026-04-22 01:43:51","judgment-method-of-three-types-of-amplifiers",{"id":70,"title":71,"summary":72,"content":73,"cover":74,"cateId":12,"tags":28,"views":75,"isTop":13,"status":19,"createBy":28,"createTime":67,"updateBy":28,"updateTime":31,"institutionId":28,"isPage":13,"images":28,"horizontalCover":28,"verticalCover":28,"slug":76,"siteId":15},"4e90914c43b2a6a4366","Precautions for using MOS (Metal-Oxide-Silicon transistor) tubes","Precautions for using MOS (Metal-Oxide-Silicon transistor) tubes Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.","\u003Cdiv id=\"attachment_4675\" style=\"width: 388px\" class=\"wp-caption alignnone\">\u003Cimg fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" aria-describedby=\"caption-attachment-4675\" fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-4675\" src=\"uploads/2019/09/MOS-tube.jpg\" alt=\"\" width=\"378\" height=\"378\" srcset=\"uploads/2019/09/MOS-tube.jpg 225w, uploads/2019/09/MOS-tube-150x150.jpg 150w, uploads/2019/09/MOS-tube-24x24.jpg 24w, uploads/2019/09/MOS-tube-48x48.jpg 48w, uploads/2019/09/MOS-tube-96x96.jpg 96w\" sizes=\"(max-width: 378px) 100vw, 378px\" />\u003Cp id=\"caption-attachment-4675\" class=\"wp-caption-text\">\u003C/span> \u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">MOS tube\u003C/span>\u003C/p>\u003C/div>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">A MOS transistor (also known as metal-oxide semiconductor field effect transistor) is electrically conductive by a majority of carriers’ and it is a voltage controlled electrical device. It is also called a unipolar transistor. It has three main terminals; Gate (G), Drain (D) and Source (S). The Gate voltage determines the conductivity of the device and with change of applied voltage; the MOS transistor can be used for amplifying or switching electronic signals. Its characteristics are; high input resistance (10^7~10^12Ω), low noise, low power consumption, large dynamic range, easy integration, no secondary breakdown, wide safe working area, source and drain can be interchanged, it is voltage controlled device and conduction takes place through majority carriers (n-channel: electrons and p-channel: holes).\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">All MOS integrated circuits (including P-channel MOS, N-channel MOS, complementary MOS-CMOS integrated circuits) have an insulated gate to prevent voltage breakdown. Generally, the thickness of insulating Gate oxide layer of MOS transistor is 5 – 200 nm (about 25 nm, 50 nm, and 80 nm). In addition to the high-impedance gate of the integrated circuit, there is a resistor-diode network for protection. However, MOS devices are sensitive to voltage spikes and static electricity discharges and this can cause difficulties when we have to replace MOS devices especially complementary-symmetry metal-oxide semiconductor (CMOS) devices. Therefore, the protection network inside the device is not enough to avoid electrostatic damage (ESD) to the device. To minimize chances of damaging MOS devices during handling, special procedures have been developed to protect them from static shock. ICs are generally shipped and stored in special conductive-plastic tubes or trays. MOS devices safety is ensured by inserting ICs leas into aluminium foil or antistatic (conductive) foam – not Styrofoam. PC boards containing static sensitive devices are normally shipped in special antistatic bags, which are good for storing ICs and other computer components that could be damaged by ESD.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Experiments indicate that MOS device will fail during high-voltage discharge. The device may also fail for accumulation of multiple lower voltage discharges. According to the severity of the damage, there are many forms of electrostatic damage. The most serious and most likely to occur is the complete destruction of the input or output so as to be short-circuited or open to the power supply terminal VDD, and MOS device completely loses its original function. A little bit of serious damage is intermittent failure or degradation of performance, which is even more difficult to detect. There is also some electrostatic damage that can cause the device performance to deteriorate due to increased leakage current.\u003C/span>\u003C/p>\r\n\u003Ch1>\u003Cspan style=\"font-size: 14pt; font-family: 'Trebuchet MS', Geneva;\">\u003Cstrong>MOS tube definition\u003C/strong>\u003C/span>\u003C/h1>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">MOS tube is a MOS transistor or a metal-insulator-semiconductor. The source (S) and drain (D) of MOS tube can be reversed. They are all N-type regions formed in the P-type backgate. And in most cases, the two zones are same even if two ends are reversed. And it will not affect performance of the device. Such devices are considered to be symmetrical. MOS tube is a voltage-driven high-current type device, which is widely used in circuits, especially power systems. MOS tubes have some characteristics that should be paid special attention in practical applications.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">MOS devices have body diodes formed by pn junction between source (S) and drain (D), and also known as parasitic diodes or an internal diode, are found in a single MOS device between the drain and the source. They are not used in integrated circuit lithography (standard method of printed circuit board (PCB), and microprocessor fabrication). This diode can provide reverse protection and freewheeling during high current drive and inductive loads. The forward voltage drop is about 0.7~1V. Because of this diode, the MOS device can’t simply see the function of a switch in the circuit. For example, in the charging circuit, after the charging is completed, the battery will reverse when the supply power is removed; this is usually the result we do not want to see. The general solution is to add a diode to prevent reverse power supply. This can be done, but the characteristics of the diode must have a forward voltage of 0.6~1V. Down, in the case of high currents, the heat is severe, and at the same time, the energy is wasted, and the energy efficiency of the whole machine is low. Another method is to add a back-to-back MOS tube and use the low on-resistance of the MOS tube to achieve energy saving. Another common application of this characteristic is low-voltage synchronous rectification. In practice, the body diode is a result of manufacturing process, and it is in between the source and drain and on an n-channel device, if the drains fall below voltage on the source, current will flow from source to drain.\u003C/span>\u003C/p>\r\n\u003Ch1>\u003Cspan style=\"font-size: 14pt; font-family: 'Trebuchet MS', Geneva;\">\u003Cstrong>Precautions\u003C/strong>\u003C/span>\u003C/h1>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">After the MOS tube is turned on, it has no directionality and in this state of operation, it behaves like a wire. It has a resistance characteristic only and there is no conduction voltage drop in this case. Usually, the saturation level on resistance is several to several tens of milliohms (mΩ). MOS tube is also non-directional therefore allowing both DC and AC currents to pass through.\u003C/span>\u003C/p>\r\n\u003Ch1>\u003Cspan style=\"font-size: 14pt; font-family: 'Trebuchet MS', Geneva;\">\u003Cstrong>Precautions for using MOS tubes\u003C/strong>\u003C/span>\u003C/h1>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">In order to safely use the MOS tube, the limit value of the dissipated power of the tube, the maximum drain-source voltage, the maximum gate-source voltage, and the maximum current set values cannot be exceeded in the manufacturing design.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">When using various types of MOS tubes, they must be connected to the circuit in strict accordance with the required bias, and the polarity of the MOS tube bias should be observed. For example, the junction between the source and drain of the junction MOS transistor is a PN junction, the gate of the N-channel transistor can be positively biased; the gate of the P-channel transistor can be negatively biased.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">Since the input impedance of the MOS tube is extremely high, the lead pin must be short-circuited during transportation and storage, and the metal shield package should be used to prevent the external induced potential from penetrating the gate. In particular, it is important to note that the MOS tube cannot be placed in a plastic box. It should be placed in a metal box e.g aluminium foil when it is stored, and the tube should be protected from moisture.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">In order to prevent the gate breakdown of the MOS tube, all test instruments, worktables, soldering irons, and the circuit itself must be well grounded; when the pins are soldered, the source is soldered first; before being connected to the circuit, All the lead ends of MOS tube are kept short-circuited with each other, and the short-circuit material is removed after soldering; when removing MOS tube from the component holder, the grounding of the human body should be adhered to. The advanced gas-fired electric soldering iron is convenient for soldering MOS tubes and ensures safety. When the power is not turned off, it is absolutely impossible to insert or remove the tubes from the circuit. The above safety measures must be taken care of when using MOS tubes.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">When installing the MOS tube, pay attention to the location of the installation to avoid heating elements; to prevent the vibration of MOS tube, it is necessary to fasten MOS tube; when the lead is bent, it should be larger than the root size of 5 mm. Therefore it is important to prevent bending of the pins and causing air leaks.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">When using a VMOS tube, a suitable heat sink must be added. Taking VNF306 as an example, the maximum power can reach 30W after it is equipped with a 140×140×4 (mm) heat sink.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">After the multiple MOS tubes are connected in parallel, the high-frequency characteristics of the amplifier are deteriorated due to the corresponding increase in the inter-electrode capacitance and the distributed capacitance and high-frequency parasitic oscillation of the amplifier is easily caused by the feedback. For this reason, the parallel composite MOS tubes generally do not exceed four, and the anti-parasitic oscillation resistors are connected in series to the base or the gate of each tube.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">The gate-source voltage of the junction MOS transistor cannot be reversed and can be saved in the open state. When the insulated gate MOS transistor is not used, the electrodes must be short-circuited since its input resistance is very high, so as to avoid an external electric field. The MOS tube is damaged by such action.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">When soldering, the soldering iron shell must be equipped with an external grounding wire to prevent damage to MOS tube due to electrification of the soldering iron. For a small amount of soldering, you can also solder the soldering iron after removing the plug or cutting off the power. Especially when soldering insulated gate MOS transistors, they should be soldered in the order of source-drain-gate, and the power should be cut off.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cul>\r\n\u003Cli>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">When soldering with 25W soldering iron, it should be fast. If soldering with 45~75W soldering iron, use the tweezers to clamp the root of the pin to help dissipate heat. The junction MOS tube can qualitatively check the quality of the MOS tube by using the table resistance file (check the resistance between the forward and reverse resistance of each PN junction and the drain source), and the insulated gate field effect tube cannot be inspected with a multimeter, and the tester must be used. Moreover, the short-circuit line of each electrode can be removed after the tester is connected. When it is removed, it should be short-circuited and then removed. The key is to avoid the gate hanging.\u003C/span>\u003C/li>\r\n\u003C/ul>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">When input impedance is a factor to consider during design process, it is necessary to take moisture-proof measures to avoid lowering the input resistance of the MOS tube due to temperature influence. If a four-lead MOS transistor is used, its substrate leads should be grounded. The ceramic packaged of the MOS tube has photosensitive properties and should be protected from light.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">For power MOS tubes, there must be good heat dissipation conditions. Because the power MOS tube is used under high load conditions, it is necessary to design a sufficient heat sink to ensure that the temperature of MOS tube casing does not exceed the rated value, so that the MOS device can work stably and reliably for a long time.\u003C/span>\u003C/p>\r\n\u003Cp>\u003Cspan style=\"font-family: 'Trebuchet MS', Geneva;\">In short, to ensure use of MOS tubes safely, there are many precautions to be adhered to, and the safety measures adopted are various. The vast number of professional and technical personnel required, especially the vast number of electronic enthusiasts, must proceed according to their actual conditions. Take practical measures to use MOS tubes safely and effectively.\u003C/span>\u003C/p>\r\n\u003C/div>\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">\u003C/div>\r\n\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\u003C!-- clear for photos floats -->\r\n\t\t\t\t\t\t\u003Cdiv class=\"clear\">","uploads/2019/09/MOS-tube.jpg",146,"precautions-for-using-mos-metal-oxide-silicon-transistor-tubes",1776841271166]