[{"data":1,"prerenderedAt":77},["ShallowReactive",2],{"post-baa020f162307650037":3,"recom-baa020f162307650037":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-Section-172 Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals &amp; information.",1776841321866,"Ten Daily Electronic Common Sense-Section-172","Tutorials","\u003Cfigure class=\"wp-block-image size-large is-resized\">\u003Cimg fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" fetchpriority=\"high\" decoding=\"async\" src=\"/uploads/2023/05/QQ图片20230524163208-650x303.jpg\" alt=\"\" class=\"wp-image-14753\" width=\"840\" height=\"392\" srcset=\"uploads/2023/05/QQ图片20230524163208-650x303.jpg 650w, uploads/2023/05/QQ图片20230524163208-400x186.jpg 400w, uploads/2023/05/QQ图片20230524163208-250x117.jpg 250w, uploads/2023/05/QQ图片20230524163208-768x358.jpg 768w, uploads/2023/05/QQ图片20230524163208-150x70.jpg 150w, uploads/2023/05/QQ图片20230524163208-800x373.jpg 800w, uploads/2023/05/QQ图片20230524163208.jpg 869w\" sizes=\"(max-width: 840px) 100vw, 840px\" />\u003C/figure>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is the protection scheme for the charging circuit of portable devices?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The protection scheme for the charging circuit of portable devices typically involves several key components and strategies to ensure safe and efficient charging. Here are some common elements of such a protection scheme:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Overvoltage Protection\u003C/strong>: Circuitry is in place to prevent the voltage from exceeding safe limits during charging, which could damage the device or pose a safety risk.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Overcurrent Protection\u003C/strong>: This safeguards against excessive current flowing through the circuit, preventing overheating or damage to the device&#8217;s battery and components.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Temperature Monitoring\u003C/strong>: Sensors monitor the temperature of the battery and charging components to prevent overheating and potential thermal runaway.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Short-Circuit Protection\u003C/strong>: The circuit includes measures to detect and prevent short circuits that could lead to damage or even fires.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Voltage and Current Regulation\u003C/strong>: Charging circuitry regulates both voltage and current to ensure a steady and safe charging process, adapting to the device&#8217;s needs and capabilities.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Battery Management System (BMS)\u003C/strong>: In more advanced systems, a BMS might be employed to monitor and manage the battery&#8217;s state, ensuring optimal charging and preventing overcharging or undercharging.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Charge Termination\u003C/strong>: The charging circuit detects when the battery is fully charged and terminates the charging process to prevent overcharging, which can degrade the battery over time.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Reverse Polarity Protection\u003C/strong>: Measures are in place to prevent damage if the charging cable is connected with reverse polarity.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>EMI/EMC Filtering\u003C/strong>: To prevent electromagnetic interference and ensure compliance with regulatory standards, electromagnetic interference (EMI) and electromagnetic compatibility (EMC) filtering might be integrated.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Authentication and Security\u003C/strong>: In some cases, security measures might be implemented to prevent unauthorized or potentially harmful devices from charging or accessing the device.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>It&#8217;s important to note that the specific protection scheme can vary based on the design, capabilities, and intended use of the portable device. Manufacturers often prioritize safety, efficiency, and compliance with industry standards when designing the charging circuit protection scheme.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What are the characteristics of the ARM1176JZF-S processor?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The ARM1176JZF-S is a microprocessor core designed by ARM Holdings. It was a part of ARM&#8217;s ARM11 family of processors, which are widely used in various applications, including embedded systems, mobile devices, and consumer electronics. Here are some key characteristics of the ARM1176JZF-S processor:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Architecture and Performance\u003C/strong>: The ARM1176JZF-S is based on the ARMv6 architecture. It features an in-order pipeline with a five-stage integer pipeline and a separate floating-point pipeline. Its performance is relatively modest compared to more recent architectures, making it suitable for low-power and embedded applications.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Clock Speed\u003C/strong>: The clock speed of the ARM1176JZF-S processor can vary depending on the specific implementation and the intended application. It was commonly found in devices operating at speeds of a few hundred megahertz to around 1 GHz.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Instruction Set\u003C/strong>: The processor supports the ARM and Thumb instruction sets, allowing for a balance between performance and code density. Thumb instructions are 16-bit compressed instructions that help conserve memory space.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Floating-Point Unit (FPU)\u003C/strong>: The processor includes a floating-point unit for handling floating-point operations, which is important for applications requiring numerical computations.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Memory Management\u003C/strong>: It supports ARM&#8217;s Memory Management Unit (MMU), which allows for virtual memory and memory protection, enabling more advanced operating systems and multitasking.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Caches\u003C/strong>: The processor typically features separate instruction and data caches, which help improve memory access speeds and overall performance.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Vector Floating Point (VFP)\u003C/strong>: Some implementations of the ARM1176JZF-S include the VFP extension, which provides improved floating-point performance for tasks such as multimedia processing.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Jazelle Technology\u003C/strong>: The &#8220;J&#8221; in &#8220;JZF&#8221; stands for Jazelle technology, which allows for the execution of Java bytecode directly on the processor core.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Multimedia Support\u003C/strong>: The ARM1176JZF-S processor includes features for multimedia processing, making it suitable for applications such as mobile phones, media players, and other devices requiring multimedia capabilities.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Power Efficiency\u003C/strong>: The ARM1176JZF-S is designed with power efficiency in mind, making it suitable for battery-powered and portable devices.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>It&#8217;s worth noting that the ARM1176JZF-S processor is an older architecture, and more recent ARM processor designs have surpassed its capabilities in terms of performance, energy efficiency, and feature set. However, during its time, it was widely used in a variety of devices and played a significant role in the embedded and mobile industries.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>The working principle and use of the fuse：\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>A fuse is an electrical safety device designed to protect electrical circuits and devices from excessive current by breaking the circuit when the current exceeds a predetermined threshold. The working principle and use of a fuse are as follows:\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>Working Principle:\u003C/strong>\u003Cbr> A fuse consists of a thin wire or strip of a material that has a low melting point, typically made of materials like copper, silver, or an alloy with a specific melting characteristic. The fuse is placed in series with the circuit that needs protection. When the current flowing through the circuit exceeds the rated current of the fuse, the heat generated by the excessive current causes the fuse wire to melt or blow, effectively breaking the circuit and interrupting the current flow.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The key principle behind this operation is the Joule heating effect: when electric current flows through a resistance (in this case, the fuse wire), heat is generated. If the current is too high, this heat can cause the fuse wire to melt, open the circuit, and prevent further current flow.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>Use of Fuses:\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Overcurrent Protection:\u003C/strong> Fuses are primarily used to protect electrical circuits and devices from overcurrent situations. These situations can occur due to short circuits (low-resistance connections) or overloads (excessive current due to increased load). By breaking the circuit when such conditions occur, fuses prevent damage to equipment, fires, and potential hazards to people.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Device and Component Protection:\u003C/strong> Fuses can be integrated into electronic devices and components to safeguard them from excessive current. For example, a power supply unit might have a fuse that protects the internal components from short circuits or overloads.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Circuit and System Protection:\u003C/strong> Fuses are commonly used in electrical distribution panels to protect entire circuits or sections of a building&#8217;s electrical system. These fuses prevent overloads that could otherwise cause damage to wiring, appliances, or even the entire electrical network.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Automotive Protection:\u003C/strong> Fuses are widely used in vehicles to protect various electrical systems, such as lights, radios, and other components. In case of a fault, the fuse will blow, preventing damage to the vehicle&#8217;s wiring or the components themselves.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Industrial Applications:\u003C/strong> Fuses are essential in industrial settings to protect machinery, equipment, and systems from electrical faults. They ensure safe and reliable operation of industrial processes.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Safety and Compliance:\u003C/strong> Fuses are part of safety measures required by electrical codes and standards. They play a role in ensuring that electrical systems are designed and operated safely.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>It&#8217;s important to note that after a fuse blows due to an overcurrent situation, it needs to be replaced to restore circuit functionality. Modern circuit protection methods often include circuit breakers, which can be reset after they trip, unlike fuses, which need replacement.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What are the characteristics of the AT command set?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The features are simple, efficient, uniform command format, and easy to verify, but the disadvantage is that too much equipment details are involved, and more stringent timing requirements are usually required.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What are the channel interferences that degrade performance?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>(1) In the case of a specific model of the frequency selective channel and the power line channel, the non-coherent demodulation of the maximum envelope detection is not optimal.\u003Cbr>(2) Narrowband noise can cause a large envelope, and an error occurs at the output of the demodulator.(3) Impulse noise has a broadband characteristic, which may result in multiplication of large envelopes.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is an AC motor?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>An AC motor, or alternating current motor, is a type of electric motor that operates using alternating current as its power source. AC motors are widely used in various applications due to their efficiency, simplicity, and versatility. They work by converting electrical energy from an AC power source into mechanical energy, which can be used to drive various types of machinery, equipment, and devices.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>There are several types of AC motors, but two of the most common categories are:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Synchronous AC Motors:\u003C/strong> Synchronous AC motors operate at a fixed speed that is synchronized with the frequency of the AC power supply. They maintain a constant speed regardless of the load applied. Synchronous motors are often used in applications where precise speed control is important, such as in industrial machinery, synchronous clocks, and some types of fans.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Asynchronous (Induction) AC Motors:\u003C/strong> Asynchronous AC motors, also known as induction motors, are the most common type of AC motor. They operate at a speed that is slightly less than the synchronous speed. Induction motors are self-starting and do not require any additional components to achieve rotation. They are known for their reliability, ruggedness, and ability to handle varying loads.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>Key features and components of AC motors include:\u003C/p>\r\n\r\n\r\n\r\n\u003Cul>\r\n\u003Cli>\u003Cstrong>Stator:\u003C/strong> The stationary part of the motor that contains the primary winding. The stator&#8217;s magnetic field interacts with the rotor to induce motion.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Rotor:\u003C/strong> The rotating part of the motor that can be either wound (squirrel-cage) or wound with coils (wound rotor). The rotor&#8217;s interaction with the stator&#8217;s magnetic field causes it to turn and generate mechanical output.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Stator Windings:\u003C/strong> These windings are connected to the AC power supply and produce a rotating magnetic field when the motor is energized. The interaction between this field and the rotor&#8217;s magnetic properties generates torque and rotational movement.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Rotor Bars (Squirrel-Cage Rotor):\u003C/strong> In a squirrel-cage rotor, the rotor consists of short-circuited bars made of conductive material. These bars interact with the rotating magnetic field, inducing currents that produce torque.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Slip:\u003C/strong> The difference between the synchronous speed and the actual rotor speed in induction motors. Slip is necessary for generating the torque needed for the motor to operate.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>End Bells and Bearings:\u003C/strong> These components enclose the motor and support the rotor&#8217;s shaft. Bearings allow smooth rotation and reduce friction.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Cooling:\u003C/strong> AC motors may have cooling mechanisms such as fans or vents to dissipate heat generated during operation.\u003C/li>\r\n\u003C/ul>\r\n\r\n\r\n\r\n\u003Cp>AC motors are used in a wide range of applications, including industrial machinery, pumps, compressors, fans, conveyors, household appliances, HVAC systems, electric vehicles, and more. Their ability to efficiently convert electrical energy into mechanical motion makes them a fundamental component in modern technology and infrastructure.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What features are integrated in the ISL8601?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The ISL8601 also integrates a MOSFET driver circuit with built-in overcurrent, overvoltage, undervoltage, and overtemperature protection.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What are the characteristics of the three-axis accelerometer?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>A three-axis accelerometer is a sensor that measures acceleration in three perpendicular axes: X, Y, and Z. It&#8217;s commonly used to detect changes in motion, orientation, and tilt. Here are the key characteristics and features typically associated with a three-axis accelerometer:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Measurement Axes:\u003C/strong> A three-axis accelerometer measures acceleration in three mutually perpendicular directions: X, Y, and Z. This allows it to capture movement in three-dimensional space.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Acceleration Range (Full Scale Range &#8211; FSR):\u003C/strong> This refers to the maximum acceleration magnitude that the sensor can accurately measure without saturation. It&#8217;s typically expressed in units of acceleration, such as &#8220;g&#8221; (gravity). For example, an FSR of ±2g means the sensor can measure accelerations up to 2 times the acceleration due to gravity in both positive and negative directions.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Resolution:\u003C/strong> Resolution determines the smallest change in acceleration that the sensor can detect. It&#8217;s usually specified in terms of bits or a unit of acceleration, such as millig (mg). Higher resolution allows for more accurate detection of small movements.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Sensitivity:\u003C/strong> Sensitivity refers to the change in sensor output per unit change in acceleration. It&#8217;s often expressed as mV/g (millivolts per gravity) or mV/mg (millivolts per milligravity).\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Output Type:\u003C/strong> Three-axis accelerometers can output analog voltage, analog current, or digital signals (such as I2C or SPI) representing the acceleration values.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Bandwidth:\u003C/strong> Bandwidth is the range of frequencies over which the accelerometer&#8217;s response is accurate. It&#8217;s important for capturing fast changes in acceleration.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Noise:\u003C/strong> Noise levels in the sensor&#8217;s output affect its ability to accurately measure small changes in acceleration. Lower noise levels result in more accurate measurements.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Cross-Axis Sensitivity:\u003C/strong> Sometimes the measurement axes of an accelerometer aren&#8217;t perfectly orthogonal. Cross-axis sensitivity indicates how much acceleration along one axis might be measured on another axis.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Digital Interface:\u003C/strong> If the accelerometer has a digital output, it will typically have an interface like I2C or SPI for communicating with microcontrollers or other devices.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Temperature Range:\u003C/strong> The range of temperatures within which the accelerometer can operate effectively without significant drift or errors.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Power Consumption:\u003C/strong> The amount of power the accelerometer consumes during operation, which is important for battery-powered applications.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Form Factor and Mounting:\u003C/strong> The physical size and mounting options of the accelerometer can influence its integration into various systems.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Built-in Features:\u003C/strong> Some three-axis accelerometers include additional features like built-in temperature sensors, self-test capabilities, and interrupt outputs that trigger based on specific acceleration thresholds.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Accuracy and Calibration:\u003C/strong> The accuracy of the accelerometer&#8217;s measurements can vary. Some accelerometers might require calibration to correct for inaccuracies.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Application Suitability:\u003C/strong> The accelerometer&#8217;s characteristics determine its suitability for different applications, such as automotive safety systems, industrial equipment, consumer electronics, navigation systems, motion detection, and more.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>Remember that specific three-axis accelerometers from different manufacturers might have varying specifications and capabilities. When selecting an accelerometer for a particular application, it&#8217;s important to consider the characteristics that align with the requirements of your project. Always refer to the manufacturer&#8217;s datasheet for accurate and detailed information about the sensor&#8217;s features.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is the role of the inverter?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>An inverter is an electrical device that converts direct current (DC) to alternating current (AC). It plays a crucial role in various applications where AC power is needed, especially in situations where the power source provides DC voltage. The primary function of an inverter is to change the electrical characteristics of the power supply to meet the requirements of AC-powered devices and systems. Here are some key roles and applications of inverters:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Power Conversion for AC Devices:\u003C/strong> Many electrical devices and appliances, such as household appliances, industrial machines, and electronic equipment, require AC power to operate. Inverters allow DC sources, like batteries, solar panels, or rectified AC (such as from generators), to power these devices by converting the DC voltage to AC voltage.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Solar Power Systems:\u003C/strong> In photovoltaic (PV) solar power systems, solar panels generate DC electricity from sunlight. Inverters are used to convert this DC power into grid-compatible AC power that can be used by homes, businesses, and the utility grid.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Wind Power Systems:\u003C/strong> Similar to solar power, wind turbines generate DC power that needs to be converted to AC power using inverters for use in the electrical grid.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Uninterruptible Power Supplies (UPS):\u003C/strong> Inverters are a key component of UPS systems, which provide temporary backup power during utility power outages. The inverter converts stored DC power (from batteries) into AC power to keep critical devices and systems running.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Electric Vehicles (EVs):\u003C/strong> Electric vehicles use inverters to convert the DC power from the vehicle&#8217;s battery into AC power for the electric motor. This allows precise control of the motor&#8217;s speed and torque.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Motor Drives and Control:\u003C/strong> Inverters are used in motor drives to control the speed and direction of AC motors. They convert fixed-frequency AC power to variable-frequency AC power, enabling efficient motor control and energy savings.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Grid Interconnection:\u003C/strong> Inverters are used to connect renewable energy sources (such as solar panels and wind turbines) to the utility grid. Grid-tied inverters synchronize the generated AC power with the grid&#8217;s frequency and voltage levels.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Frequency Conversion:\u003C/strong> Inverters can be used to change the frequency of the output AC power. This is particularly useful in situations where different regions use different AC frequencies (e.g., 50 Hz or 60 Hz).\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Inductive Load Compatibility:\u003C/strong> Inverters can provide clean and stable AC power that is better suited for powering sensitive electronics and devices that are sensitive to voltage fluctuations.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Emergency Power:\u003C/strong> In emergency situations, inverters can be used to convert power from backup sources (such as generators) into usable AC power.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>Inverters come in various types, such as square wave, modified sine wave, and pure sine wave inverters, which differ in terms of the quality and characteristics of the AC waveform they produce. The specific type of inverter chosen depends on the application&#8217;s requirements and the devices being powered.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>Which events can also clear the flag of the CPU interrupt flag register?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>In a microcontroller or microprocessor, the CPU interrupt flag register (also known as the Interrupt Status Register or similar names depending on the architecture) keeps track of pending interrupts. Clearing the interrupt flag is essential to acknowledge that the interrupt request has been handled by the CPU. Besides explicitly clearing the flag in the interrupt service routine (ISR), several events or conditions can also clear the flag automatically:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Hardware Interrupt Acknowledgment:\u003C/strong> When the CPU acknowledges an external hardware interrupt, it typically clears the corresponding interrupt flag in the interrupt flag register.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Timer or Counter Overflow:\u003C/strong> Many microcontrollers have built-in timers or counters. These modules can generate interrupts when they overflow from their maximum value back to zero. Acknowledging this interrupt often clears the corresponding interrupt flag.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Input Capture:\u003C/strong> In microcontrollers with input capture functionality, an interrupt can be generated when a specific edge (rising or falling) is detected on an input signal. Acknowledging this interrupt can clear the flag.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>UART or Serial Communication:\u003C/strong> When data is received or transmitted via a UART (Universal Asynchronous Receiver-Transmitter), an interrupt can be generated. Acknowledging the interrupt typically clears the flag.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>ADC (Analog-to-Digital Converter) Conversion Complete:\u003C/strong> In microcontrollers with ADC modules, an interrupt can be triggered when an analog-to-digital conversion is complete. Clearing this interrupt often clears the corresponding flag.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>DMA (Direct Memory Access) Transfer Completion:\u003C/strong> In systems with DMA controllers, an interrupt can be generated when a DMA transfer is complete. Acknowledging the interrupt usually clears the flag.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Communication Protocols (I2C, SPI, etc.):\u003C/strong> Similar to UART, other communication protocols like I2C or SPI can generate interrupts when data is received or transmitted. Acknowledging the interrupt often clears the flag.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Comparator Events:\u003C/strong> In microcontrollers with analog comparator modules, events like a specific voltage level being reached can generate interrupts. Acknowledging the interrupt can clear the corresponding flag.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Watchdog Timer Reset:\u003C/strong> In systems with watchdog timers, if the timer reaches its timeout value, it can generate a reset or an interrupt. Acknowledging this interrupt can clear the flag.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>External Reset or Power-On Reset:\u003C/strong> When the microcontroller resets, it might clear some or all of the interrupt flags, depending on the architecture and configuration.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>It&#8217;s important to note that the specific behavior can vary depending on the microcontroller or microprocessor architecture. Always refer to the device&#8217;s datasheet or reference manual to understand the exact behavior of the interrupt flag register and the conditions under which flags are cleared.\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\">","Electronic","uploads/2023/05/QQ图片20230524163208-650x303.jpg",1776793309000,"20db6653d7e85fded62",0,"Admin","2028706543895019522","baa020f162307650037","ten-daily-electronic-common-sense-section-172",329,1,"/uploads/2023/05/QQ图片20230524163208-650x303.jpg","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 &amp; 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 &#8211; 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 &amp; 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 &amp; 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 &amp; 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 &amp; 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 &amp; 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 &#8211; 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&#8217;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",1776841312644]