The basic principles and requirements of PCB board drawing design
As an electronic engineer design circuit is a necessary hard work, if the PCB design is not reasonable performance will be greatly compromised.
Контрактное производство электроники под ключ в Китае
Шэньчжэнь, район Баоань, улица Фуюн, улица Фуцяо, район 3, промышленный парк Лонгхуй 6
What is the meaning of window opening in PCB design?
Four difficulties in the production and processing of multilayer circuit board: 1, the inner line production difficulties, 2, the inner layer between the point of difficulty, 3, pressing process difficulties, 4, drilling production difficulties
Design specification for Mark points in PCB design
SMT patch BOM list arrangement Note: 3. The description must be clear. 4. There are some crucial electronic components. Considering the fluctuations of the component market and the cost, 5. 6. Coordinate values required by coordinate T/B to distinguish po
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
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...
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