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2021-09-25
Conformal coating is a specialty polymerized film forming material used to protect printed circuit boards, components, and other electronic components from adverse environmental conditions caused by corrosive air.
What aspects should be paid attention to in the wiring arrangement between PCB board components? (1) Cross circuits are ...
Introduction to FPC circuit board via plug holeVias play the role of interconnection and conduction of circuits. The dev...
The copper wire of the PCB falls offThe PCB copper wire falls off (also commonly referred to as dumping copper). PCB fac...
As the speed increases, EMI becomes more and more serious, and manifests itself in many aspects (such as electromagnetic...
Qunhui circuit board manufacturers will introduce the common drilling holes in PCBs: through holes, blind holes, and bur...
2021-09-24
PCB manufacturer: selective surface treatment process1. Shen Xi A. Tin thickness standard: 0.8-1.2um; B. Process flow:Pr...
With the rapid development of the mobile phone, computer, electronic and digital industries, the pcb circuit board indus...
Basic characteristics of PCB RF circuitThe small expected signal of RF circuit simulationThe receiver must detect small ...
PCB drawing summary1. Software applicationEach software has its ease of use, but only your familiarity with the software...
How to prevent PCB warpage1. Why the circuit board is required to be very flatIn the automated assembly line, if the p...
[Internal circuit] Cut the copper foil substrate into a size suitable for processing and production. Before pressing the...
Process standards of PCB manufacturersFirst, the purpose: Standardize printed circuit board process design, meet the...
During PCB board welding, manual insertion, manual welding, repair and inspection are required.1. PCB board welding proc...
The principle of digital printed circuit board diagram, the transmission of digital signals from a logic gate to another logic gate, the signal through a wire from the output terminal to the receiver.
1. If the circuit system of the PCB design contains FPGA devices, it is necessary to use the Quartus II software to veri...
PCB plating methodOne, brush plating It is an electrodeposition technique, in which not all parts are immersed in the ...
Multilayer board wiring experience1. Consider the structure of component placement. The positive and negative poles of S...
In EMC design of products, besides the selection of components and circuit design, good PCB design is also a very important factor.
Circuit board factory: common problems in the design of RF wireless radio frequency circuit Radio frequency (RF) PCB d...
