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Aug 24 2019

Schottky Diode Characteristics and Its Applications

Ⅰ IntroductionSchottky diodes are named after their inventor, Dr. Schottky, short for Schottky barrier diode (abbreviated SBD). SBD is not fabricated by the principle of forming a PN junction by contacting a P-type semiconductor with an N-type semiconductor, but by a metal-semiconductor junction bas

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Aug 20 2019

Constitution and Applications of 555 Timer

I Introduction555 timer is a medium-sized integrated circuit that combines analog functions and logic functions. For there are three resistors of 5 kΩ in the integrated circuit, it is named as 555 timer. 555 timer has low cost and reliable performance. It only needs several external resistors a

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Aug 19 2019

Advantages and Disadvantages of Dry-type Transformer and Oil immersed Transformer

IntroductionIn the field of construction engineering, transformer is one of the indispensable equipment in power system transmission and distribution engineering. It is an important equipment to change the voltage level, reduce the loss of electric energy in the process of transmission and ensure th

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Aug 16 2019

Design of Numerical Control DC Adjustable Switching Power Supply

CatalogArticle coreSwitching Power Supply              1. Design of Hardware Circuit1.1 Main Power Conversion Circuit1.1.1 Design of 220V Input Anti-interference and Rectification Filter Circuit1.1.2 Design of Main Power Swit

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Aug 15 2019

Types of Operational Amplifier and Basis Comparison

Ⅰ Introduction This Video Explains Working Rules That are Suitable for  Types of Op Amps. Catalog Ⅰ Introduction 1.1 Operational Amplifier Symbol 1.2 Terminology Ⅱ Examples Analyses 2.1 Example 1 2.2 Example 2 2.3 Example 3 Ⅲ Basic Types of Op Amp Ⅳ

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Aug 14 2019

What Is A High-voltage Capacitor?

  I Introduction A high-voltage capacitor consists of a cylinder, the top of the cylinder, a flat cover or a semi-spherical envelope, a sealing element and some accessories. High-voltage capacitors are low loss and light weight, and meet most national and international standards for ca

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Aug 12 2019

PCB Design Principle for Reducing Electromagnetic Interference

Warm hints: This article contains about 3393 words and reading time is about 10 mins. Introduction Printed circuit board (PCB) is the carrier of circuit components in electronic products, which provides the electrical connection between circuit components and is the most basic part

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Aug 9 2019

Key Characteristics of Main Computer Memories

Ⅰ Introduction In computing system, Memory refers to the computer hardware integrated circuits that store information for immediate use in a computer. Like many things, computer memory comes in many different types and has numerous applications nowadays. It is the most essential element of a c

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Aug 9 2019

Basic Knowledge of Power Capacitors

IntroductionPower capacitors are the capacitors for power systems and electrical equipment. Any two metal conductors separated by an insulating medium constitute a capacitor. The size of the capacitance is determined by the capacitor’s geometric size and the characteristics of the dielectric between

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Aug 6 2019

EMI Filter Basics - Operational Principles and Faulty Installation

Ⅰ Introduction1.1 EMI Filter DefinitionThe EMI filter (electromagnetic interference filter) is a filter circuit composed of a capacitor, an inductor and a resistor, also called RFI Filters or radio-frequency interference filters. Its filter circuit composed of capacitor, inductor and resistor. A pas

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