LM1800 FM Stereo Demodulator

This FM Stereo Demodulator circuit that use phased lock loop techniques to regenerate the 38kHz subcarrier is designed using the LM1800 integrated circuit .The LM1800 integrated FM stereo demodulator has numerous features like :automatic stereo/monaural switching , 45 dB power supply rejection ,wide operating supply voltage range ,excellent channel separation .As you can see in the circuit diagram this lm1800 fm stereo demodulator has a 100mA stereo indicator lamp driver.

LM1800 FM Stereo Demodulator Circuit diagram


For this LM1800 Phase-Locked Loop FM Stereo Demodulator circuit , you will need an dc power supply that can provide an output voltage between 10 and 18 volts .Also if you can not find the LM1800 Phase-Locked Loop FM Stereo Demodulator circuit on the market you can use the UA758 ic which is pin-to-pin compatible with LM1800 .
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