PCB board design of Digital-Analog Mixed Circuit

In the design of high-speed PCB board?, the interference problem in PCB design of digital-analog hybrid circuit has always been a difficult problem. In particular, the analog circuit is generally the source of the signal.

Via Design of High Speed PCB board

In high-speed PCB board design, the via design is an important factor, which consists of the hole, the pad area around the hole and the power layer isolation area.