[{"data":1,"prerenderedAt":77},["ShallowReactive",2],{"post-f308ed908c9eca80fc5":3,"recom-f308ed908c9eca80fc5":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-177 Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.",1776841325555,"Ten Daily Electronic Common Sense-Section-177","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20230524163208-1-650x303.jpg\" alt=\"\" class=\"wp-image-14755\" width=\"838\" height=\"391\" srcset=\"uploads/2023/05/QQ图片20230524163208-1-650x303.jpg 650w, uploads/2023/05/QQ图片20230524163208-1-400x186.jpg 400w, uploads/2023/05/QQ图片20230524163208-1-250x117.jpg 250w, uploads/2023/05/QQ图片20230524163208-1-768x358.jpg 768w, uploads/2023/05/QQ图片20230524163208-1-150x70.jpg 150w, uploads/2023/05/QQ图片20230524163208-1-800x373.jpg 800w, uploads/2023/05/QQ图片20230524163208-1.jpg 869w\" sizes=\"(max-width: 838px) 100vw, 838px\" />\u003C/figure>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is the system control part of a digital oscilloscope?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The system control part of a digital oscilloscope refers to the component or set of components responsible for managing and controlling the overall operation of the oscilloscope. It includes various functions and features that allow users to configure, control, and interact with the oscilloscope to perform measurements and analyze signals. Here are some key aspects of the system control part of a digital oscilloscope:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>User Interface:\u003C/strong> The oscilloscope’s user interface provides a way for users to interact with the instrument. This includes the display screen, touch controls, buttons, knobs, and menus that allow users to adjust settings, select measurement parameters, and navigate through various features.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Front-End Control:\u003C/strong> The front-end control includes the controls and settings that directly affect the input signal. This includes options like channel selection, voltage range, coupling (AC/DC/GND), probe attenuation, and probe type.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Timebase and Trigger Control:\u003C/strong> The timebase control allows users to adjust the time scale of the oscilloscope display, controlling the horizontal axis. The trigger control determines when the oscilloscope starts capturing the waveform based on user-defined trigger conditions such as edge triggering, pulse width triggering, or pattern triggering.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Measurement and Analysis Tools:\u003C/strong> Oscilloscopes often come with built-in measurement and analysis tools to quantify signal characteristics like amplitude, frequency, rise time, and more. These tools are usually accessible through the user interface.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Data Processing and Display:\u003C/strong> The system control part manages the processing of captured waveform data and its subsequent display on the screen. It involves tasks such as data acquisition, digitization, signal processing, waveform display, and scaling.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Save and Recall Settings:\u003C/strong> Many oscilloscopes allow users to save instrument settings and configurations for future use. This feature is useful for recurring measurements or for sharing setups with colleagues.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Communication Interfaces:\u003C/strong> Some oscilloscopes come with communication interfaces such as USB, Ethernet, or Wi-Fi, which allow users to connect the oscilloscope to a computer or network for remote control, data transfer, and analysis.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Firmware and Software Updates:\u003C/strong> The system control part also manages firmware updates and software enhancements. Manufacturers may release updates to improve instrument performance, add new features, or address any issues.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Calibration and Self-Test:\u003C/strong> Oscilloscopes often have built-in calibration routines and self-test functions to ensure the accuracy and reliability of measurements. These routines are part of the system control functionality.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>System Settings and Preferences:\u003C/strong> Users can customize various system settings and preferences to tailor the oscilloscope’s behavior to their specific needs. This might include adjusting display brightness, setting default measurement units, or configuring automatic power-saving modes.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>In summary, the system control part of a digital oscilloscope is responsible for managing all the operational aspects of the instrument, from user interaction and signal processing to measurement tools and communication capabilities. It plays a crucial role in making the oscilloscope a versatile and powerful tool for analyzing and troubleshooting electronic signals.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is the reason for a small source code change that causes the node name in the integrated netlist to change?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>A small source code change causing a node name change in an integrated netlist can be attributed to how the source code is compiled, optimized, and then translated into a netlist representation. Here are a few possible reasons for this phenomenon:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Compiler Optimization:\u003C/strong> When you make a small change in the source code, the compiler might optimize the resulting machine code differently. This optimization could affect how variables are assigned memory locations or how certain computations are performed. As a result, the intermediate representation of the code that gets translated into the netlist could change, leading to different node names in the netlist.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Code Dependencies:\u003C/strong> Changes in one part of the code can sometimes have unexpected effects on other parts due to complex interdependencies. For instance, a seemingly unrelated change might cause the compiler to reorder instructions or eliminate certain code paths. This can, in turn, alter the control flow or data flow in the compiled code, leading to changes in the netlist.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Macro or Preprocessor Changes:\u003C/strong> If the source code involves macros or preprocessor directives, even a small change could result in different macro expansions or preprocessor outcomes. This can significantly impact the resulting compiled code and, subsequently, the netlist.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Compiler Bugs or Behavior:\u003C/strong> In some cases, the compiler might have bugs or non-deterministic behavior that can lead to different results for similar code changes. These bugs can manifest as changes in intermediate representations, causing different node names in the netlist.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Optimization Levels:\u003C/strong> Compilers often offer different optimization levels (e.g., -O0, -O1, -O2, -O3) that control the aggressiveness of optimizations. Even with a small change, switching between optimization levels could cause differences in how the code is compiled and, consequently, affect the netlist.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Floating-Point Arithmetic:\u003C/strong> If your code involves floating-point arithmetic, subtle changes like reordering operations or changing constants can lead to variations in intermediate results. This might propagate through the compilation process and eventually influence the netlist.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Data Structures and Memory Layout:\u003C/strong> Small changes can impact the layout of data structures in memory. This might change how variables are accessed and processed, which can affect the compiled code and, subsequently, the netlist.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Inlining and Function Calls:\u003C/strong> Changes in code can influence the compiler’s decisions on function inlining. Inlining can affect how code is optimized and organized, leading to variations in the netlist.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Compiler Version:\u003C/strong> Different versions of the same compiler might have slightly different behaviors or bug fixes, resulting in changes to the compiled code and netlist.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>In summary, the transformation from source code to a netlist involves a series of complex processes, including compilation, optimization, and translation. Even seemingly minor changes in the source code can trigger a cascade of effects that lead to different intermediate representations and ultimately result in changes to node names in the integrated netlist.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>How capacitors and inductors work？\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Capacitors and inductors are passive electronic components that play fundamental roles in electrical circuits. They store and release energy in different ways and have various applications in electronics and electrical engineering.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>Capacitors:\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>A capacitor is a two-terminal electronic component that stores electrical energy in an electric field between its two plates. It consists of two conductive plates separated by an insulating material known as a dielectric. When a voltage is applied across the terminals of a capacitor, it causes an accumulation of opposite charges on the plates, creating an electric field between them.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Key characteristics and behaviors of capacitors include:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Charging and Discharging:\u003C/strong> When a voltage is applied across a capacitor, it charges by accumulating charge on its plates. The rate of charging depends on the resistance in the circuit. When the voltage source is removed, the capacitor discharges over time through the circuit, releasing the stored energy.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Energy Storage:\u003C/strong> Capacitors store energy in the form of electric field potential energy. The amount of energy stored is proportional to the capacitance (C) of the capacitor and the square of the voltage (V) applied: E = 0.5 * C * V^2.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Time Constants:\u003C/strong> Capacitors have a time constant (τ) that determines how quickly they charge and discharge in response to changes in voltage. The time constant is given by τ = R * C, where R is the resistance in the circuit and C is the capacitance.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Filtering and Timing:\u003C/strong> Capacitors are commonly used for filtering out noise or smoothing voltage fluctuations in power supplies. They are also used in timing circuits, oscillators, and signal coupling.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>Inductors:\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>An inductor is a passive electronic component that stores electrical energy in a magnetic field generated by the flow of current through its coil of wire. Inductors resist changes in current by inducing a voltage that opposes the change, according to Faraday’s law of electromagnetic induction.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Key characteristics and behaviors of inductors include:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Inductance:\u003C/strong> The inductance (L) of an inductor determines its ability to store magnetic energy. It is measured in henries (H). A larger inductance value means the inductor stores more energy for a given current change.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Self-Inductance:\u003C/strong> The self-inductance of an inductor is a property that describes how much magnetic flux is generated per unit of current change. It is denoted by the symbol L.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Back EMF:\u003C/strong> When the current through an inductor changes, it induces a voltage in the opposite direction to the change. This phenomenon is known as back electromotive force (back EMF) and opposes the change in current.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Energy Storage:\u003C/strong> Inductors store energy in the form of a magnetic field. The amount of energy stored is proportional to the square of the current (I) flowing through the inductor and the inductance: E = 0.5 * L * I^2.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Time Constants:\u003C/strong> Inductors also have a time constant that determines how quickly the current through them changes in response to changes in voltage. The time constant is given by τ = L / R, where R is the resistance in the circuit and L is the inductance.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Filtering and Inductive Kick:\u003C/strong> Inductors are used for filtering in circuits. They can also produce an inductive kick (voltage spike) when the current through them is suddenly interrupted, which can have both beneficial and detrimental effects in different applications.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>In summary, capacitors store energy in an electric field between their plates, while inductors store energy in a magnetic field generated by current flowing through a coil of wire. These components have distinct properties and behaviors that make them essential for various circuit applications, ranging from energy storage to signal filtering and timing.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is the main technology of 0LED?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The new 0LED technology mainly includes phosphorescent OLED, white OLED, top emitting OLED, transparent OLED, multiphoton emission OLED, etc.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is a potential type chemical sensor?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>A potential-type chemical sensor, also known as an electrochemical sensor, is a type of sensor that detects and measures the concentration of specific chemical species in a solution based on changes in the electrical potential or voltage. These sensors are widely used for various applications including environmental monitoring, industrial processes, medical diagnostics, and more.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>The core principle behind potential-type chemical sensors is the interaction between the target chemical species and a sensing electrode. Depending on the type of interaction and the measurement mechanism, there are different types of potential-type chemical sensors:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Ion-Selective Electrodes (ISEs):\u003C/strong> These sensors are designed to measure the concentration of specific ions in a solution. An ion-selective membrane is placed on the surface of the sensing electrode, allowing only the target ion to pass through. This creates a potential difference between the sensing electrode and a reference electrode, which is proportional to the logarithm of the ion concentration according to the Nernst equation.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>pH Sensors:\u003C/strong> pH sensors are a common type of ion-selective electrode that measures the concentration of hydrogen ions (pH) in a solution. The sensing electrode is sensitive to changes in pH, and the potential difference is related to the pH of the solution.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Gas Sensors:\u003C/strong> These sensors detect specific gases in the environment based on the change in electrical potential when the gas molecules interact with the sensing electrode. Gas sensors are commonly used for monitoring air quality, detecting toxic gases, and more.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Biosensors:\u003C/strong> Biosensors are a specialized type of potential-type chemical sensor that uses biological molecules (such as enzymes or antibodies) to selectively interact with a target analyte. The binding of the target molecule to the biological element causes a change in potential, allowing the detection of specific biomolecules like glucose, proteins, or DNA.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Redox Electrodes:\u003C/strong> Redox electrodes measure changes in the redox potential of a solution due to chemical reactions involving oxidation and reduction. These sensors can be used for detecting specific analytes or monitoring redox reactions in various applications.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Dissolved Oxygen Sensors:\u003C/strong> These sensors measure the concentration of dissolved oxygen in liquids. The sensing electrode typically interacts with oxygen molecules, causing changes in potential that are proportional to the concentration of dissolved oxygen.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>Potential-type chemical sensors offer several advantages, including high sensitivity, fast response times, and the ability to perform real-time measurements. They are also relatively simple to operate and can be miniaturized for portable applications.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>It’s important to note that the performance and selectivity of potential-type chemical sensors can be influenced by factors such as the design of the sensing electrode, the choice of materials, the presence of interfering substances, and the conditions of the measurement environment.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What are the characteristics of the Spartan-2 series?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>FPGA Architecture:\u003C/strong> The Spartan-2 FPGAs are based on a reconfigurable logic fabric that allows users to implement custom digital logic designs. They consist of a matrix of configurable logic blocks (CLBs) that can be interconnected to create complex digital circuits.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Density and Logic Capacity:\u003C/strong> The Spartan-2 series offered a range of devices with varying logic capacities, from smaller devices suitable for simple designs to larger ones capable of accommodating more complex and larger-scale designs.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>I/O Ports:\u003C/strong> The devices in the Spartan-2 series featured a range of input/output (I/O) ports that could be used to interface with external components and devices. These I/O pins could be configured for various purposes, including as general-purpose digital I/O, differential I/O pairs, clock inputs, and more.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Clock Management:\u003C/strong> The Spartan-2 series included features for clock management, including Digital Clock Managers (DCMs) that could generate and manipulate clock signals. DCMs could be used for tasks such as phase shifting, frequency multiplication or division, and jitter reduction.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Embedded Memory:\u003C/strong> These FPGAs had embedded memory blocks that could be used for implementing registers, RAM, and ROM. The memory blocks could be configured to fit the application’s data storage needs.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Configuration:\u003C/strong> Spartan-2 devices could be configured using various methods, including serial configuration and parallel configuration. Configuration data could be loaded into the FPGA from an external memory device or through other interfaces.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>On-Chip Power Management:\u003C/strong> Some members of the Spartan-2 series featured on-chip power management features to optimize power consumption based on the operational requirements of the design.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Voltage Levels:\u003C/strong> The Spartan-2 series devices typically operated at lower voltage levels compared to earlier FPGA generations, which helped in reducing power consumption and enabling faster switching speeds.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Development Tools:\u003C/strong> Xilinx provided a suite of design tools for creating, synthesizing, and programming the Spartan-2 FPGAs. The tools allowed designers to develop and simulate their designs before programming them onto the actual hardware.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Applications:\u003C/strong> The Spartan-2 series FPGAs found applications in a wide range of industries, including telecommunications, industrial automation, consumer electronics, and more. They were often used for tasks such as digital signal processing, control systems, and general digital logic implementations.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>It’s worth noting that the Spartan-2 series was succeeded by subsequent generations of Xilinx FPGAs, each with improved capabilities, performance, and features. If you are looking for specific details about a particular member of the Spartan-2 series, I recommend referring to Xilinx’s official documentation or resources.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What are the aspects of compensation for DC bridges?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>In the context of DC bridges, compensation refers to the techniques and adjustments applied to minimize or eliminate errors and factors that could affect the accuracy of measurements taken using a bridge circuit. DC bridges are used for precise measurement of resistances, voltages, currents, and other electrical quantities. Compensation ensures that the measurement results are as accurate as possible. Here are the key aspects of compensation for DC bridges:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Zero-Offset Compensation:\u003C/strong> Zero-offset compensation aims to eliminate any offset or imbalance in the bridge circuit when there is no input signal. It involves adjusting the bridge components or using external techniques to ensure that the bridge is balanced (null condition) when no signal is applied. This helps to remove any baseline measurement errors caused by inherent imbalances in the bridge components.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Temperature Compensation:\u003C/strong> Many materials, especially resistors, exhibit temperature-dependent variations in their resistance values. Temperature compensation involves selecting or using resistors with well-defined temperature coefficients and taking temperature measurements to correct for variations caused by changes in ambient temperature.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Lead Resistance Compensation:\u003C/strong> In many measurement setups, the resistance of the connecting leads can introduce errors. These errors can be minimized by using Kelvin-Varley divider techniques or other methods that reduce the impact of lead resistances on the measurement accuracy.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Bridge Sensitivity Compensation:\u003C/strong> The sensitivity of a bridge is the change in output for a given change in input. Adjustments can be made to the bridge components to achieve the desired sensitivity for the measurement. This ensures that the bridge is optimized for the expected input range, making measurements more accurate and precise.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Null Detection:\u003C/strong> Null detection techniques involve actively adjusting the bridge components to maintain a null or zero condition (balanced bridge). This could be done using servo systems, feedback loops, or motor-driven variable components to keep the bridge balanced during measurements.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Noise Reduction and Shielding:\u003C/strong> Compensation methods may include shielding the bridge circuit from electromagnetic interference (EMI) and minimizing noise sources to improve the signal-to-noise ratio and measurement accuracy.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Alignment and Calibration:\u003C/strong> Regular calibration and alignment procedures are crucial for maintaining accurate measurements. Calibration involves comparing the bridge output with known reference values and adjusting the bridge accordingly. This corrects for any drift or inaccuracies that might have developed over time.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Signal Conditioning:\u003C/strong> Signal conditioning techniques, such as filtering and amplification, can be applied to enhance the signal quality, reduce noise, and improve the bridge’s sensitivity to the measured parameter.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Humidity Compensation:\u003C/strong> In certain environments, humidity variations can affect resistance measurements. Compensating for humidity-induced resistance changes can be important for accurate measurements.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Nonlinearity Compensation:\u003C/strong> Some bridge components might exhibit nonlinear behaviors that can affect measurement accuracy. Compensation techniques might involve characterizing and correcting these nonlinearities.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>Effective compensation for DC bridges involves a combination of careful design, component selection, calibration, and measurement techniques. Different types of bridges (Wheatstone bridge, Kelvin bridge, Carey Foster bridge, etc.) may require specific compensation strategies based on their intended applications and measurement parameters.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is the H:X/SP add command?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>H: X/SP increment instruction AIX/AIS is used to directly increase the value in the 16-bit index register H:X or 16-bit stack pointer SP by an 8-bit signed immediate value. The range of 8-bit signed numbers can be expressed.For -l28 to 127, parameters outside this range will be considered illegal by the compiled software.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is apparent power？\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Apparent power, often denoted by the symbol “S,” is a concept in electrical engineering that represents the total power consumed by an electrical circuit or device, considering both the real power and the reactive power. Apparent power is expressed in volt-amperes (VA) and is a combination of the actual power being used by the circuit (real power) and the power that oscillates back and forth between sources and loads due to reactive components like inductors and capacitors (reactive power).\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Mathematically, apparent power can be calculated using the following formula:\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cem>S\u003C/em>=\u003Cem>V\u003C/em>×\u003Cem>I\u003C/em>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Where:\u003C/p>\r\n\r\n\r\n\r\n\u003Cul>\r\n\u003Cli>\u003Cem>S\u003C/em> is the apparent power in volt-amperes (VA).\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cem>V\u003C/em> is the voltage in volts (V) across the circuit or device.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cem>I\u003C/em> is the current in amperes (A) flowing through the circuit or device.\u003C/li>\r\n\u003C/ul>\r\n\r\n\r\n\r\n\u003Cp>Apparent power has both a magnitude and a phase angle. The phase angle represents the phase difference between the voltage and the current in the circuit. In alternating current (AC) circuits, the phase difference between voltage and current can be due to the presence of reactive components like inductors and capacitors.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Apparent power is an important concept in power distribution systems, as it affects the capacity and efficiency of electrical equipment and power transmission lines. Overloading a circuit or transformer with high apparent power due to excessive reactive power can lead to inefficiencies, voltage drops, and increased heating.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>In summary, apparent power is the combination of real power (which does useful work) and reactive power (which contributes to voltage and current phase shifts). It provides a way to quantify the total power flow in an AC circuit, accounting for both resistive and reactive elements.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\u003Cstrong>What is an ATM network?\u003C/strong>\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>An ATM network, in the context of networking and telecommunications, stands for “Asynchronous Transfer Mode.” It is a high-speed networking technology designed to transmit voice, video, and data simultaneously over the same network infrastructure. ATM networks were particularly popular in the late 20th century and the early 2000s for their ability to handle a wide range of traffic types efficiently.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>Key features and characteristics of an ATM network include:\u003C/p>\r\n\r\n\r\n\r\n\u003Col>\r\n\u003Cli>\u003Cstrong>Cell-Based Transmission:\u003C/strong> ATM breaks data into fixed-size cells, each consisting of 53 bytes. This fixed cell size ensures predictable and efficient handling of different types of traffic, making it suitable for multimedia applications.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Asynchronous Transfer:\u003C/strong> Unlike synchronous networks where data is transmitted in a continuous stream, ATM cells can be transmitted asynchronously, which means that different data streams can share the network’s bandwidth effectively.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Quality of Service (QoS):\u003C/strong> ATM networks support different classes of service, allowing users to specify the quality of service required for their data. This is crucial for real-time applications like video conferencing and voice communication, where delay and jitter need to be minimized.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Virtual Circuits:\u003C/strong> ATM uses the concept of virtual circuits to establish a connection-oriented path between source and destination devices. This connection setup enables efficient use of network resources and predictable routing.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>High Speeds:\u003C/strong> ATM was designed to operate at high speeds, ranging from T1/E1 (1.5/2.048 Mbps) to OC-12 (622 Mbps) and beyond. This high throughput made it suitable for transmitting large amounts of data quickly.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Scalability:\u003C/strong> ATM networks can scale to accommodate a large number of devices and users, making them suitable for both local area networks (LANs) and wide area networks (WANs).\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Legacy Technology:\u003C/strong> While ATM technology provided many benefits, it faced competition from Ethernet and IP-based networks. Ethernet, in particular, became more popular due to its simplicity, lower cost, and widespread adoption.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Complexity:\u003C/strong> ATM networks had a relatively complex architecture and required specialized hardware and equipment, which could contribute to higher implementation and maintenance costs.\u003C/li>\r\n\r\n\r\n\r\n\u003Cli>\u003Cstrong>Transition to IP Networks:\u003C/strong> As IP-based networks became more dominant and technologies like MPLS (Multiprotocol Label Switching) evolved, ATM networks began to decline in popularity. Many organizations transitioned to IP-based technologies due to their simplicity and compatibility with a wide range of applications.\u003C/li>\r\n\u003C/ol>\r\n\r\n\r\n\r\n\u003Cp>It’s important to note that while ATM networks played a significant role in the evolution of networking, they are less common today due to the prevalence of IP-based technologies and the shift towards converged networks that handle various traffic types using Ethernet and IP protocols.\u003C/p>\r\n\r\n\r\n\r\n\u003Cp>\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20230524163208-1-650x303.jpg",1776793309000,"20db6653d7e85fded62",0,"Admin","2028706543895019522","f308ed908c9eca80fc5","ten-daily-electronic-common-sense-section-177",187,1,"/uploads/2023/05/QQ图片20230524163208-1-650x303.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 & 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",1776841314760]