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2018
DATE
12 - 07
Talking about the precautions of circuit board maintenance
In the process of using the circuit board in peacetime, it is often caused by improper use, incorrect processing or aging of components, which causes the circuit board to work abnormally or even burn out. At this time, it is necessary to repair the circuit board. Next, I will introduce you to the pr
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2018
DATE
11 - 23
Terminology summary of letters on the board
Rx is a resistor, there are many resistors in the circuit diagram, according to the serial number, R1, R2...Cx is a non-polar capacitor, anti-interference capacitor at the input of the power supply;IC integrated circuit module;Ux is an IC (integrated circuit component);Tx is the test point (for fact
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2018
DATE
09 - 25
PCB design layout grid setting skills
PCB design requires different grid settings at different stages. In the layout phase, large grid points can be used for device layout.For large devices such as ICs and non-positioning connectors, 50 to 100 mil grid precision can be used for layout. For passive small devices such as resistors, capaci
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2018
DATE
09 - 21
PCB copying step
PCB copy board steps _ detailed full versionThe first step: preparationGet a good circuit board to see if there are components with high position. If you have the component number, component package, temperature value, etc., make detailed records. Scan as a backup before disassembling the component.
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2018
DATE
09 - 17
Some small principles of PCB board technology
Printed wire width selection basis:The minimum width of the printed wire is related to the amount of current flowing through the wire:The line width is too small, the resistance of the printed wire is large, and the voltage drop on the line is large, which affects the performance of the circuit.If t
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