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Sep 6 2018

Method of Handling and Detecting Common Fault of Frequency Converter IGBT Module

SummaryThe insulated gate bipolar transistor (hereinafter referred to as IGBT) is a composite device of MOSFET and GTR. Thus it has the advantages of MOSFET, including fast operation speed, high switching frequency, high input impedance, simple drive circuit and good thermal temperature; it also con

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Aug 30 2018

Capacitor Guide

IntroductionAs a passive component used in circuits, capacitors such as aluminum electrolytic capacitors, filter capacitors, tantalum capacitors, and chip ceramic capacitors are often seen. Due to the features of each capacitor, the corresponding application is different. So this article first intro

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Aug 28 2018

Analysis of Eight Anti-jamming Technologies in Sensor Detection

SummaryThis paper summarizes the eight anti-jamming technologies in sensor detection, and analyzes the details of various anti-jamming technologies, such as working effects, applicable scenarios, operating procedures and internal principles. The beginning of the article explains the extent to which

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Aug 23 2018

How to Accurately Determine Whether an Integrated Circuit in an Electronic Circuit is Working Properly?

IntroductionHow to accurately determine whether the integrated circuit IC in the circuit is working is an important part of repairing TV, audio, and video equipment. This article introduces the specific judgment method, the following video shows how to test IC chips with a multimeter. How To Test

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Aug 15 2018

Half Wave Rectifier Circuit Explanation: Working, Parameters and Application

IntroductionThe half-wave rectifier circuit is a common circuit that uses the unidirectional conduction characteristics of diodes to perform rectification, and the rectification method that removes half a cycle and leaves half a cycle is called half-wave rectification. The function of it is to conve

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Jul 9 2018

What Is Power Factor Correction (Compensation)

In the fifties of the last century, an improved method was proposed for the low efficiency of power supply caused by the different phases of voltage and current of AC electrical appliances with inductive load.  Figure 1 The voltage and current waveforms under inductive load Due to the diffe

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Jul 9 2018

Sensor Basics: Types of Sensors & Classification

I IntroductionThe types of sensors are very wide, and we can use different criteria to classify them, such as their conversion principles (basic physical or chemical effects of sensor work), their uses, their output signal types, and the materials and processes that make them.   Before learni

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Jun 28 2018

PCB Design Tutorial and PCB Layout Software

IntroductionPCB (Printed Circuit Board) is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Almost every kind of electronic equipment, such as electronic watches, calculators, computers, e-communication equipmen

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Jun 21 2018

Switch-Mode Power Supply Fundamentals (3)

Warm hint: This article is about 1000 words and reading time is about 3 minutes.   SummaryThe switch-mode power supply fundamentals tutorials consist of five chapters: the type of topology, the relationship between the efficiency with input & output and duty cycle, the definitions of sync

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Jun 8 2018

Switch-Mode Power Supply Fundamentals (2)

Warm hints: The word in this article is about 3000 words and reading time is about 12 minutes. SummaryThe switch-mode power supply fundamentals tutorials consist of five chapters: the type of topology, the relationship between the efficiency with input & output and duty cycle, the definitions o

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