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TDA7334
LOW NOISE STEREO PREAMPLIFIER
DUAL CHANNEL PROCESSOR FOR PLAYBACK APPLICATIONS. LOW NOISE HEAD PREAMPLIFIER GROUND COMPATIBLE MUTE, AUTOREVERSE METAL/NORMAL FUNCTIONS INTERNAL SWITCHES FOR EQUALIZATION LOW SUPPLY CURRENT MIXED BIPOLAR/CMOS TECHNOLOGY DESCRIPTION The TDA7334 is a monolithic BICmos IC designed for use in stereo cassette player systems. The dual preamplifier contains mute, autoreverse, metal/normal facilities for amplification of low level signal in applications requiring very low noise performance. Each channel consists of two cascaded operational amplifiers. The first one, AMP1, has a fixed gain of 32dB, TEST CIRCUIT
R15 6.