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2021-11-05
Via is one of the important components of multi-layer PCB, and the cost of drilling usually accounts for 30% to 40% of the cost of PCB […]
2021-11-04
The usual circuit board is marked with +- signs on or near the two pads of the capacitor. The actual color of the circuit board is […]
2021-11-04
What is the significance of impedance to PCB circuit boards, and why do PCB circuit boards need impedance? This article first introduces what impedance and its […]
2021-11-04
The impedance of pcb circuit board refers to the parameters of resistance and reactance, which hinder the alternating current. In the production of pcb circuit boards, […]
