TDA4472-MFLG3 Ver la hoja de datos (PDF) - Temic Semiconductors

Número de pieza

componentes Descripción

Fabricante

TDA4472-MFLG3

Video-IF and Quasi Parallel Sound Processing

Temic Semiconductors 

TDA4472-M

Block Diagram

Offset

comp.

(optional)

Loop

filter

VCO

ÏÏAFC

ÏÏswitch

ÏÏ26

FPL

L

VIF

VIF amp

6

ÏÏÏ7

Ï CAGC 8

AGC

(VIF)

Tuner

11

ÏÏÏ10

Tuner

AGC

Take over point

SIF 2

Ï27

Ï28

Ï Input switch

Ï3

SIF 1

152ÏÏÏÏÏÏ

CAGC

ÏÏ18 2ÏÏ0 ÏÏ ÏÏ21

0°

VCO

+

90° phase shift

Video

det.

ÏÏÏÏ19

Ï AFC

22

AFC

Ï12

Video

ÏÏ4,9,16

SIF amp

FM det.

Supply

23

ÏÏÏ17

ÏÏÏÏVS

CRef

24

ÏÏ Intercarrier

(FM / NICAM)

AGC

(SIF)

94 8719

Figure 1. Block diagram

2 (14)

TELEFUNKEN Semiconductors

Preliminary Information

Rev. A2, 15-Oct-96

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