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• When designing a power supply, how to consider choice of topology?

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  01 Summary Input voltage and output/input ratio are important considerations when choosing a topology. On fig. 1 shows relative applicable voltage ranges for commonly used isolated topologies. The choice of topology is also relate...

  2023-04-25【Archive】

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• An article to understand "advantages" and "cons" of solid capacitors

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  The dielectric of liquid electrolytic capacitors is a liquid electrolyte. Liquid particles are very active at high temperature and create pressure inside condenser. Its boiling point is not very high, so it can explode. Solid cap...

  2023-04-25【Archive】

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• Why is electricity divided into AC and DC?

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  Have you ever wondered why a mobile phone's charging plug is bigger than usual? In fact, strictly speaking, this "plug" is called a switching power adapter, and its purpose is to convert alternating current from mains to direc...

  2023-04-23【Archive】

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• Basic knowledge and introduction to structure of electric heating tube

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  Use simple words to analyze and explain basic structure of an electric heating tube. Let's break down basic structure of an electric heating tube into a few small tasks. 1. What is heating element of electric heating tube? Th...

  2023-04-23【Archive】

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• What is a delay scheme? Explanation of 6 Kinds of Delay Circuit Principles

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  As we all know, when it comes to latency, a lot of people think about using software components like timers and like. Today we will talk about how to implement timing in hardware, although it is not so accurate, but in some cases ...

  2023-04-23【Archive】

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• Homemade radio for three coins, pretty cute

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  We call this radio "three coin radio" because we use three coins as anchors to connect different parts of radio, which makes our process extremely easy. In this radio, we used a special 10-transistor integrated circuit, which made...

  2023-04-22【Archive】

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• You must learn drawing techniques and skills of 18 special circuit board routes.

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  Question 1. AD fabric serpentine method If you select Interactive Length Adjustment in Tool, you need to lay out wires first and then change them to a serpentine shape. Here you are using serpentine directly when wiring: first P-&...

  2023-04-22【Archive】

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• In digital form? Imitation? Don't get confused by engineering design

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  In engineering design, from point of view of reference level, they are all same ground, and they must be connected together to obtain same reference potential. Ground separation is mainly in terms of wiring to reduce interference ...

  2023-04-21【Archive】

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• Super practical! The 10 Most Commonly Used Power Supply Design Formulas

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  1. Maximum Duty Cycle Dmax of MOSFET Switch: In formula: Vor is reflected voltage refracted from secondary side to primary side, when AC input is 220V, reflected voltage is 135V; VminDC - smallest constant voltage after rect...

  2023-04-21【Archive】

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• What is difference between 0 ohm resistors, inductors and magnetic balls for single point grounding?

  One, 0 ohm resistance Basic Introduction: Analog and Digital Ground Single Point As long as it's ground, it must be connected together at end, and then enter ground. If they are not connected together, they will "float" and a volt...

  2023-04-20【Archive】

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