Lisa's Column

"impedance" of the PCB board and the impedance calculation gadget

"impedance" of the PCB board and the impedance calculation gadget

When PCB engineers design PCBs, the problems of "impedance" and "impedance matching" are often involved in high-speed circuit boards or key signals...

Influence of PCB processing on impedance control and solutions

Influence of PCB processing on impedance control and solutions

Four-layer hybrid board my country is in a good situation with economic construction as the center and reform and opening up. The annual growth r...