LM1800 Datasheet | National Semiconductor

LM1800 Phase-Locked Loop FM Stereo Demodulator April 1987 LM1800 Phase-Locked Loop FM Stereo Demodulator General Description The LM1800 is a second generation integrated FM stereo demodulator using phase locked loop techniques to regenerate the 38 kHz subcarrier The numerous Features integrated on the die make possible a system delivering high fidelity sound while still meeting the cost requirements of inexpensive stereo receivers More information available in AN-81 Features Y Y Y Y Y Y Automatic stereo monaural switching 45 dB power supply rejection No coils all tuning performed with single potentiometer Wide operating supply voltage range Excellent channel separation Emitter follower...