Aug 30 2019
IntroductionSilicon controlled rectifier, which can be referred to as SCR, is available in one-way, two-way, turn-off, and light control types. It has the advantages of small size, light weight, high efficiency, long life, convenient control, etc. It is widely used in various automatic control and h
Aug 30 2019
IntroductionBattery means a space in a cup, tank or other container or composite container containing an electrolyte solution and a metal electrode to generate electrical current, in a word, a device capable of converting chemical energy into electrical energy, and it has a positive electrode and a
Aug 26 2019
IntroductionVaristor is an ideal protective element with the characteristics of high price, small volume, wide working voltage range, fast response to overvoltage pulse, strong resistance to impulse current, low leakage current (less than a few microamperes to tens of microamperes), small resis
Aug 24 2019
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
Aug 20 2019
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
Aug 19 2019
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
Aug 16 2019
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
Aug 15 2019
Ⅰ Introduction This Video Explains Working Rules That are Suitable for Types of Op Amps.CatalogⅠ Introduction1.1 Operational Amplifier Symbol1.2 TerminologyⅡ Examples Analyses2.1 Example 12.2 Example 22.3 Example 3Ⅲ Basic Types of Op AmpⅣ Confusion between the Op Amps and Comparators 1.1 Ope
Aug 14 2019
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
Aug 12 2019
IntroductionPrinted 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 of all kinds of electronic equipment. Its performance is directly related to the quality of electronic e
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