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pcb impedance
Published by: Keyou April 24,2019
According to the theory of signal transmission, the signal is a function of time and distance variables, so each part of the signal may change on the line. Therefore, the AC impedance of the connectio...
double sided pcb
Published by: Keyou April 23,2019
The double-sided PCB board is a single-panel extension. When the single-layer wiring cannot meet the needs of electronic products, a double-sided PCB board is used. Both sides have copper-clad traces,...
single-sided board
Published by: Keyou April 22,2019
On a single-sided board, on the most basic PCB, the parts are concentrated on one side and the wires are concentrated on the other side. Because the wire only appears on one side, we call it a single-...
Factors of PCB cost
Published by: Keyou April 19,2019
  PCB cost calculation is the most special and complicated in all industries. Firstly, it must be from the material cutting, pressing plate, circuit, ... to forming, FQC, packaging, and finished st...
pcb fabrication process
Published by: Keyou April 18,2019
1. First, design the schematic according to the requirements of the project.       2. Use circuit diagram software, such as protel or PADS software, to design the PCB board according t...
The difference between LED circuit board and ordinary PCB board
Published by: Keyou April 16,2019
At present, there are three kinds of circuit boards used in the field of lighting: FPC circuit boards for producing LED flexible strips; LED circuit board for ordinary lighting products; and aluminum ...
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