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Is printed circuit board covered with copper very “up to mark”? One article to help you get practical guidelines and norms
Archive1. When covering platform with copper, it must be completely covered, and mold and platform cannot form an acute angle. 2. Try to use copper wires instead of thick ones. When thick lines are used, vias are usually fancy routin...
2023-04-03【Archive】
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Where to start studying inductance? I will understand after reading
ArchiveA choke is a circuit element that will generate an electromotive force due to a change in passing current, thereby counteracting change in current. The structure of an inductor is similar to that of a transformer, but there is on...
2023-04-03【Archive】
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Does PCB use copper mesh or solid copper, are you using it correctly?
Archive1 What is a copper fill The so-called copper pouring consists of using unallocated space on a flexible printed circuit board as a reference plane and then filling it with solid copper. These areas of copper are also referred to as...
2023-04-03【Archive】
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Summary of questions and answers on basics of analog circuits
Archive1. What is content of Kirchhoff's theorem? a) Kirchhoff's current law: at any node in circuit, algebraic sum of currents flowing into and out of node is zero. b Kirchhoff's voltage law: In any closed circuit in a circuit, algebr...
2023-04-02【Archive】
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"English abbreviations" that equipment engineers need to know
ArchiveWhen you look at circuit diagram, you will see many abbreviations marked in English. This article provides some classic and common abbreviations for reference and study. 1 common control interface EN: turn on, turn on. Enabling ...
2023-04-02【Archive】
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Welding knowledge and skills that electronics professionals need to understand
ArchiveCommon tools needed for soldering SMD components Let's take a look at some of basic tools needed to solder commonly used SMD components (see Figure 1). Fig. 1. Common tools used for manual soldering of patch components 1. Elect...
2023-04-02【Archive】
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Do you know everything about communication, decoupling and capacitance?
ArchiveConnection refers to process of signal transmission from first stage to second stage, and usually refers to an AC connection unless otherwise noted. Decoupling refers to taking additional measures to filter power supply to eli...
2023-04-01【Archive】
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What is difference between 0 ohm resistors, inductors and magnetic balls? After reading this I finally got the answer
ArchiveOne, 0 ohm resistance Basic introduction: single-point analog and digital grounding 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 v...
2023-04-01【Archive】
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Do you know layout requirements of some special devices in PCB design?
ArchiveThe layout of a device on a printed circuit board is not arbitrary, it has certain rules that everyone must follow. In addition to general requirements, some special devices also have different layout requirements. Compression...
2023-04-01【Archive】
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40 Practical Analog Circuit Tips That 90% of People Will Ignore
1. When designing an electrical interface, reflection attenuation typically gets worse at high frequencies. This is because reflection of a lossy transmission line is frequency related. In this case, it is extremely important to k...
2023-03-31【Archive】
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