TZA3004HL 查看數據表（PDF） - Philips Electronics

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TZA3004HL

SDH/SONET data and clock recovery unit STM1/4 OC3/12

Philips Electronics 

Philips Semiconductors

SDH/SONET data and clock recovery unit

STM1/4 OC3/12

BLOCK DIAGRAM

Objective specification

TZA3004HL

handbook, full pagewidth

36

DCSQ

33

DIN

34

DINQ

CREF

21

22

CREFQ

LOS

39

ALEXANDER

PHASE

DETECTOR

enable

FREQUENCY

WINDOW

DETECTOR

(1000 ppm)

SEL155

30

FREQUENCY

DIVIDER 1

4/16

TZA3004HL

AREF ENL

48 1

DATA

AND

CLOCK

OUTPUT

42

DOUT

43

DOUTQ

45

COUT

46

COUTQ

6

DLOOP

7

DLOOPQ

3

CLOOP

4

CLOOPQ

proportional

+

path

VCRO

integrating

∫ dt

path

130 pF 130 pF

17 2, 5, 8, 10, 11, 14, 17,

20, 23, 26, 29, 32, 35,

38, 41, 44, 47

FREQUENCY

DIVIDER 2

64/128

12

9

24

16 15

GND

LOCK REF19 REF39 CAPDOQ

CAPUPQ

POWER

CONTROL

37

PC

2

25, 31

VEE

MGK140

1998 Feb 09

Fig.1 Block diagram.

3

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