PCB design wire and pad with white ring solution
There are three PCB design methods that can withstand 100A current：1: PCB wiring, 2: terminals, 3: custom copper bar, 4: special process
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Why PCBA small batch proofing will charge additional engineering fees?
Small batch PCB proofing charge is high, mainly in SMT SMT processing, whether large batch SMT processing, small batch SMT processing, need to do the preliminary work is the same
What is the meaning of through hole plug oil in PCB process?
Through the hole plug oil is to guide through the hole with ink inside the plug hole production, the emphasis is on the quality and tightness of the plug hole. Through the hole plug oil treatment inspection standard is or light, above must have ink cover,
Can PCB design high speed signal layout be routed at 90°?
It is strongly required in various PCB design guidelines that high frequency and high speed signal transmission lines need to maintain consistent characteristic impedance, and that 90° Angle routing at the corner of the transmission line will change the l
How to solve the problem of short circuit in PCBA processing quickly
Quick solution to PCBA short-circuit problem: 1. Use short-circuit positioning analyzer for inspection, 2. Light up the short-circuit network on the PCB diagram. 3. In case of the same short-circuit in batches, take a board to operate the secant line and
What is PCBA post welding process?
PCBA processing after welding reasons: one, the component plug-in close to the process side of the component plug-in position, two, the customer has special requirements of high sensitivity components, can not over wave soldering, three, components over t
The 14 important characteristics of high reliability PCB are reviewed
Whether in the manufacturing and assembly process or in actual use, PCB to have reliable performance, this is very important.
PCB board deformation harm
Harm of PCB board deformation: on the automatic surface mounting line, if the circuit board is not smooth, it will lead to inaccurate positioning, components can not be inserted or installed in the hole of the board and surface mounting pad, and even dama
Notes for PCB design of switching power supply
Considerations for PCB design are analyzed below: from schematic creation of component parameters to PCB design process -> Input schematic netsheet -> Design parameter setting -> Manual layout -> Manual wiring -> Verify the design -> Aud...
Keyou circuit ERP order process pcb proofing
Keyou circuit is a professional production of high precision double-sided multilayer circuit board, module gold circuit board, car circuit board, car charging circuit board, traffic recorder,COB power supply, computer motherboard, medical circuit board, m
Common causes of PCB board cable breakage
Common causes of PCB line break: 1, film process: 2, exposure process: 3, development process: 5, electroplating problems
How can PCBA avoid PCB board warping?
PCBA processing to avoid PCB board warping method:1. Reduce the influence of temperature on plate stress; 2. Adopt high Tg plate; 3. Increase the thickness of the circuit board, 4. Reduce the size of the circuit board and reduce the number of pieces of th
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