Abstract: The complete receiver chip CXA1019S mixer, amplifier, demodulator, such as design, and BU2614 chip PLL frequency synthesizer to generate a stable method of vibration and control input of the tuner circuit resonant frequency, in order to achieve electrical tuning. Singlechip using MCS-51 series of the frequency synthesizer BU2614 control, together with the keyboard, display and memory circuits, can achieve a variety of program-controlled search, radio storage functions.

新型电调谐调频收音机的设计.PDF

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