SP8852 Просмотр технического описания (PDF) - Mitel Networks

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производитель

SP8852

2·7GHz Parallel Load Professional Synthesiser

Mitel Networks 

SP8852E

VCC

15

PRESCALER

RF INPUT 13

RF INPUT 14

0V

14

PRESCALER

MODULUS

CONTROL

48/9

39

STROBE

38

ADDRESS

11

B0

10

B1

9

B2

8

B3

7

B4

6

B5

5

B6

4

B7

INPUT

INTERFACE

3

B8

2

B9

1

B10

44

B11

43

B12

42

B13

41

B14

40

B15

LOAD

LOAD

28

3-BIT

11-BIT

FPD

A COUNTER

M COUNTER

B0 B2

B3 B13 B14 B15

RF BUFFER

REFERENCE BUFFER

B0 B9

B10 B12

PHASE

DETECTOR

20

CHARGE PUMP OUTPUT

21

CHARGE PUMP REFERENCE

17

LOCK DETECT OUTPUT

19

RSET

18

C-LOCK DETECT

24

FPD*

25

FREF*

10-BIT REFERENCE

DIVIDER

FREF

*FREF and FPD outputs are reversed

by the phase detector sense bit, bit 12

in the programming word. The pin

allocations shown are correct when

bit 12 is high.

27

26

VCC

16

VEE

REFERENCE

CRYSTAL

REFERENCE

CAPACITOR

Fig. 2 Block diagram

2

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