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图中锁相环567通用集成电路兼作发送信号振荡器和接收检波器的双重功能电路,这样一来,可使收发信机电路的外围部分十分简单。 先看等幅波接收功能,这时电
Phase-locked loop 567 Universal integrated circuit doubles as a dual-function circuit that sends the signal oscillator and receives the detector, thus making the peripheral part of the transceiver circuit very simple. First look at the amplitude wave reception function, then electricity