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2021-10-24
In the process of PCB copying, especially when copying some high-precision circuit boards, testing is an indispensable s...
The electromagnetic compatibility test is a very important test for the electronic products that are about to enter the ...
1 In the PCB layout and design, production requirementsThe requirements for plate thickness, copper thickness, process, ...
1. In PCB design, using protel 99se software design, the processor is 89C51, there is a 40KHZ ultrasonic signal and 800h...
The PCB pre-processing process greatly affects the progress of the manufacturing process and the pros and cons of the pr...
1. For a group of buses (address, data, command) driving multiple (up to 4, 5) devices (FLASH, SDRAM, other peripherals....
The anti-jamming design of the printed circuit board has a close relationship with the specific circuit. Here, only a fe...
1. What is the relationship between the line width and the size of the vias on the PCB board and the size of the current...
1、Conditioning the whole hole This word broadly refers to its own "adjustment" or "adjustment" t...
Nano waterproofing agent can be understood as nano waterproof coating, nano moisture-proof coating, anti-salt spray corrosion coating from the function
1. Should the dead copper be removed in PCB design?Some people say that it should be removed. The reasons are probably: ...
Multi-layer PCB circuit boardproofing Due to the large number of layers in multi-layer circuit boards, users have high...
1. Backing board for PCB drillingPhenolic resin laminated board, used as a backing board for PCB drilling and bakelite...
The output value of the global electroplating PCB industry accounts for the rapid growth of the proportion of the total ...
In order to print the solder paste, the PCB assembly board without soldering cannot fix the test end of the thermocouple...
1. Bubbles are generated between the lines of the FPC flexible circuit board or the side of a single lineThe main reason...
The water vapor film on the uncoated printed board also provides favorable conditions for the growth and corrosion of th...
Before designing a multilayer printed circuit boards, the designer needs to first determine the requirements of electromagnetic compatibility.
How to ensure the quality of solder joints has become a key issue for high-precision PCB dense placement. PCB solder joi...
In PCB design, in fact, before the formal wiring, it has to go through a very long step. The following is the main desig...
