TDA7421 Description
The TDA7421 is a high performance tuner circuit that integrates AM/FM sections, IF counter and PLL synthesizer on a single chip. Use of BICMOS technology allows the implementation of tuning functions with a minimum of external ponents. Value spread of external ponents can be fully PINS CONNECTION AM AGC1 RF AMP FM IF AMP1 OUT FM IF AMP1 IN + FM IF AMP2 IN + FM IF AMP1 IN AM AGC1 PIN TQFP64 ORDERING NUMBER:.