Contains symbols for VHF, UHF, and SHF circuit design, including capacitance measurers, nonreciprocal devices, modulators, phase shifters, field polarization devices, and filters.

包含用甚高频、超高频和特高频路的符号，包括容测量器、不可逆备、调制器、移相器、场极化备和滤波器。