射频电路PCB设计 介绍采用Protel99 SE进行射频电路PCB设计的流程。为保证电路性能，在进行射频电路PCB设计时应考虑电磁兼容性，因而重点讨论元器件的布线原则来达到电磁兼容的目的。 -PCB RF circuit design is introduced to Protel99 SE RF PCB design process. In order to ensure circuit performance, in RF circuit PCB design should b