TDA9810 데이터 시트보기 (PDF) - Philips Electronics

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TDA9810

Multistandard VIF-PLL with QSS-IF and AM demodulator

Philips Electronics 

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L/L accent

gating switch

CVAGC

CBL

TOP

tuner

AGC

loop

RTOP

filter

2 x fpc

AFC

14

2

VIF

SAW

1

VIF AMPLIFIER

23

SIF

SAW

24

21

15

3

16

4

18 19

17

TUNER AND VIF-AGC

VCO TWD

AFC DETECTOR

9

FPLL

SIF

AMPLIFIER

SINGLE REFERENCE

MIXER AND

AM DEMODULATOR

VIDEO DEMODULATOR

AND AMPLIFIER

12

VIDEO

BUFFER

13

TDA9810

AF AMPLIFIER

6

AMPLIFIER SWITCH

video

1 V (p-p)

CVBS

2 V (p-p)

Vi(vid)

AF/AM

INTERNAL VOLTAGE

STABILIZER

22

20

SIF-AGC

8

5

VP = +5 V

standards

GND selection

switch

CSAGC

10

7

L/L accent

QSS switch

intercarrier

output

11

AM mute

switch

MHA713

Fig.1 Block diagram.

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