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FCE112

1/2

90¡

0¡

×

×

5

TDA8051

28

1

3

2

32

31

30

21

22

12

29 4

I_OUT1

11

I_OUT2

Q_OUT2

TKB

TKA

OSC_IN

I_OUTC

I_OUT

Q_OUTC

Q_OUT

AGC_IN

27

OUTVCC

13

DVCC

25

A3VCC

23

A2VCC

6

8

7

A1VCC

LNA_OUT

9

LNA_IN

14

CLK

15

DATA

16

EN

19

TUNE

18

CP

DEMOD_IN

Q_OUT1

Q_IN1

I_IN1

1/4

PROGRAMMABLE

MAIN DIVIDER

3-WIRE BUS TRANSCEIVER

DIGITAL

PHASE

COMPARATOR

CHARGE

1/2

PROGRAMMABLE

REF DIVIDER

17

TEST

n.c.

10

A1GND

24

A2GND

26

OUTGND

20

DGND

Fig.1 Block diagram.