FM CB radio receiver circuit design using TCA440
A very simple FM CB radio receiver can be designed using this electronic diagram below. This FM CB radio receiver circuit is designed using an TCA440 integrated circuit. The receiver works with a intermediate frequency of 455kHz. Input filter is 27MF ceramic type. Since the intermediate frequency filter transformer is used without adjustment, remote selection is 40dB. Signal demodulation is also made with a ceramic filter. The entire assembly is powered with a voltage of 12 volts DC, the audio amplifier is realized with an LM386 integrated amplifier.
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