智能天线子系统中，射频前端模块包括线性功率放大器，低噪放大器，检测控制电路。
In intelligent peripheral subsystem, Radio Frequency Front Modules include linear power amplifier, low noise amplifier and detection control circuit.
介绍了超短波通信电台射频功放功率保护控制电路的功用和工作原理，并给出了原理电路。
This paper introduces the application and principle of RF power amplifier's safeguard and control circuit in ultra short communication radio. The principle circuit is given.
控制电路采用微处理器AT89S52作为主控制芯片，矩阵按键和液晶显示构成操作平台，可设置射频信号的频率；
Console is based on micro control chip AT89S52, LCD and button matrix composition platform to set the frequency of the transmitted signals;
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