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    Introduction for High-side Power Switch

    Author: mia | Catgorys: Schematic Diagram

     

    From Principle, Structure to Scheme Design, Introduction for High-side Power Switch   Semiconductor devices in automobiles are mainly in three categories: sensors, MCUs, and power semiconductors. Among them, power semiconductors are mainly used in power control systems, lighting systems, fuel injection, chassis safety and other systems. Mor...
     
     

    Amplifier PCB Wiring Tips

    Author: stan stan | Catgorys: Schematic Diagram

     

    In the circuit design process, application engineers tend to ignore the layout of Printed Circuit Boards (PCBs). A common problem is that the schematic of the circuit is correct, but it does not work, or only runs at low performance. In this article, I will show you how to properly lay out an op amp's board to ensure its functionality, performan...
     
     

    An Instrument Fan Speed Control Circuit

    Author: stan stan | Catgorys: Schematic Diagram

     

    This passage describes the fan speed control circuit that is mainly used for cooling the fan of the electronic instrument circuit CPU(Central Processing Unit). The circuit is as shown.     Circuit Work Principle   The operational amplifier IC1a and the peripheral components C1, R3 in this circuit form an integrator. IC1b and R4, R5 fo...
     
     

    PCB Ground Wire Interference and Suppression

    Author: Judy Chen | Catgorys: Schematic Diagram

     

    In PCB design, especially in high-frequency circuits, some irregularities and abnormalities caused by ground interference are often encountered. This paper analyzes the causes of interference caused by grounding, and introduces three types of interference caused by grounding, and proposes solutions according to the experience in practical applic...
     
     

    HF PCB Process and Material Selection Examples

    Author: stan stan | Catgorys: Schematic Diagram

     

        Summary   In this paper, we will explain the details of high-frequency PCB design from four aspects: line width, via, cross-line crosstalk, shielding, etc., and enumerate several representative examples of high-frequency PCB board selection for reference.   High frequency board PCB design process   (1). Transmission line...
     
     

    Water heater working principle analysis schemat...

    Author: Judy Chen | Catgorys: Schematic Diagram

     

    A water heater is a device that changes the temperature of a cold water into hot water for a certain period of time through various physical principles. According to the principle, it can be divided into five types: electric water heater, gas water heater, solar water heater, air energy water heater and speed magnetic water heater.   Due to...
     
     

    Constant Current Control Circuit Diagram

    Author: stan stan | Catgorys: Schematic Diagram

     

        The constant current control circuit, the output end of the transformer T is connected to the rectifier circuit, wherein the input end of the transformer T is connected with a switch control circuit, the rectifier circuit is connected with the resistor R3, the emitter junction of the triode VT is connected in parallel with the resistor...
     
     

    SCR Fast Tester Circuit Diagram

    Author: Judy Chen | Catgorys: Schematic Diagram

     

    The following is a SCR fast tester circuit diagram.   Mainly composed of 555. The tester is composed of a pulse signal generator, a closed conduction loop, a light emitting diode, a thyristor SCR, and the like. Plug in the thyristor SCR. When the button AN is pressed, when the 555 outputs a high level, the LED, the resistor R4, the thyristo...