TDA9889 Ver la hoja de datos (PDF) - Philips Electronics

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TDA9889

DVB selective AGC amplifier

Philips Electronics 

Philips Semiconductors

DVB selective AGC amplifier

BLOCK DIAGRAM

Product specification

TDA9888TS; TDA9889TS

handbook, full pagewidth

IF gain

control input

TAGC TADJ TAGCEXT AGC

10 9

11

6

TUNER AGC

IF AGC

INTERFACE

TDA9888TS

TDA9889TS

S0

S1

S2

1

13

3

LOGIC CONTROL

15

IF1

IF2 16

DOWNCONVERTER

AND

COMPLEX FILTERING

TRACKING

LOW-PASS FILTER

SUPPLY

12

14

VP

GND

SYNTHESIZER

AND

REFERENCE GENERATION

FILTER

REFERENCE CONTROL

4

2

5

LFS

REF

LFLP

4 MHz crystal

or external

reference

8 LIF2

7 LIF1

low IF

output

2 V(p-p)

differential

MHC094

Fig.1 Block diagram.

2004 Nov 02

4

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