TDA8050 Просмотр технического описания (PDF) - Philips Electronics

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TDA8050

QPSK transmitter

Philips Electronics 

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I_IN 5

6

I_INC

7

Q_IN

8

Q_INC

14

CLK

15

DATA

16

EN

23

LOCK

DVCC DGND

AVCC1 AGND1

13

18

26

9

MODULATOR

IF_FILTC RF_OUTC RF_INC

IF_FILT RF_OUT RF_IN

24 25

28 27 30 31

SW_CAP

AVCC2 AGND2

32

29

4

CONVERTER

×

Σ

×

×

1

OUTEN

3

BUF_OUTC

2

BUF_OUT

3-WIRE BUS TRANCEIVER

90° 0°

1/2

TDA8050

DAC

CHARGE

PUMP

DIGITAL

PHASE

COMPARATOR

FIXED

MAIN DIVIDER

PROGRAMMABLE

REF DIVIDER

PROGRAMMABLE

MAIN DIVIDER

PROGRAMMABLE

REF DIVIDER

DIGITAL

PHASE

COMPARATOR

PROGRAM-

MABLE

CHARGE

PUMP

12

CP_MOD

10 11

17

22 21

TKAMOD

OSC_IN

TKBCONV

TKBMOD

TKACONV

20

TUNECONV

19

FCE181

CP_CONV

Fig.1 Block diagram.

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