TDA4433

TV SIGNAL IDENTIFICATION CIRCUIT AND AFC INTERFACE

December 1992

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OUTPUT A

AFC ”S” CURVE INPUT

STABILIZED VOLTAGE OUT

IDENTIFICATION TIME CONSTANT

OUTPUT B

N.C.

GND

VIDEO SIGNAL INPUT

H FLYBACK INPUT

SENSITIVITY CONTROL

IDENTIFICATION SIGNAL OUTPUT

N.C.

N.C.

V

S

PIN CONNECTIONS

DIP14

(Plastic Package)

ORDER CODE : TDA4433

.

IDENTIFICATION OF TRUE TV STATIONS

ONLY

.

LOW IMPEDANCE OUTPUT OF THE IDENTI-

FICATION SIGNAL

.

DIGITAL CONTROL SIGNAL FOR AUTOMAT-

IC SEARCH AND AFC OPERATION

.

THERMAL COMPENSATION OF THE VOLT-

AGE REGULATOR

DESCRIPTION

The TDA4433 is a monolithic integrated circuit in a

14 lead dual-in-line plastic package. It integrates

the following functions :

- TV signal identificator - Sync. separator - Thresh-

old detector - Digital Interface - Voltage regulator.

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