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AM_FM_stereo_tuner

2017-01-04 18:17  
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AM_FM_stereo_tuner
AM/FM stereo tuner. Both ICs are 14-pin DIPs. The ECG1055 is an AM/FM IF amplifier and AM converter, while the ECG1056 is a stereo multiplex demodulator with a composite amplifier, 19 kHz pilot signal filter, a 38 kHz subcarrier generator and either a matix or switching circuit for left and right stereo audio channels (courtesy GTE Sylvania Incorporated).