TDA9808 データシートの表示（PDF） - Philips Electronics

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TDA9808

Single standard VIF-PLL with QSS-IF and FM-PLL demodulator

Philips Electronics 

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TADJ

CVAGC TPLL

3

17

4

TAGC

VIF

SAW

12 TUNER

AGC

VIF

AGC

1

VIF

2 AMPLIFIER

FPLL

SIF

SAW

19

SIF

20 AMPLIFIER

SIF

AGC

5

CSAGC

2 x fpc

AFC VP GND

n.c.

14

15

8

13

18

16

AFC

DETECTOR

VOLTAGE

REFERENCE

VCO

TWD

SINGLE

REFERENCE

QSS MIXER

VIDEO

DEMODULATOR

AND AMPLIFIER

NOISE

CLIPPING

Vo(vid)

9 1.35 V (p-p) SOUND

TRAP

6 Vo AF

TDA9808

FM-PLL

DEMODULATOR

10

Vo QSS

4.5 MHz

11

Vi FM

7

mute

switch

CDEC

MHA736

Fig.1 Block diagram.

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