Function : HIGH PERFORMANCE FRONT-END IC FOR AM/FM RECEIVERS / TQFP64 Package
Maker : STMicroelectronics
The TDA7421N is a high-performance tuner circuit which integrates AM and FM sections, PLL frequency sinthesizer and IF counter on a single chip.
Use of BICMOS technology allows the implementation of tuning functions with a minimum of external components.Value spread of external components can be fully compensated by means of on-chip electrical adjustment controlled by external µP.
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