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LINEAR INTEGRATED CIRCUITS
TV SIGNAL IDENTIFICATION CIRCUIT AND AFC INTERFACE
The TDA4431 and the TDA4433 are monolithic integrated circuits in a 14 lead dual-in-line plastic package. They integrate the following functions:
- TV signal identificator-Sync.separator - Threshold detector - Digital Interface - Voltage regulator
They are intended for use in Electronic Program Memory tuning systems. the TDA4431 in conjunction with M193B1, while the TDA4433 with M293B1. The circuits features are:
Identification of true TV stations only. Low impedance output of the identification signal. Digital control signal for automatic search and AFC operation. Thermal compensation of the voltage regulator.
TDA4431 Datasheet
