OQ2541HP データシートの表示（PDF） - Philips Electronics
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OQ2541HP Datasheet PDF : 36 Pages
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Philips Semiconductors
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
BLOCK DIAGRAM
Product specification
OQ2541HP; OQ2541U
handbook, full pagewidth
33
DIN
34
DINQ
CREF
21
22
CREFQ
LOS
39
ALEXANDER
PHASE
DETECTOR
enable
FREQUENCY
WINDOW
DETECTOR
(1000 ppm)
DOUT622
DOUT1250 DOUT155 AREF ENL
27 28 30
FREQUENCY
DIVIDER 1
1/2/4/16
OQ2541
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
2.5 GHz
integrating
path
∫ dt
i.c.
5 13, 18, 19,
36, 40
17 2, 5, 8, 10, 11, 14, 17,
20, 23, 26, 29, 32, 35,
38, 41, 44, 47
130 pF 130 pF
FREQUENCY
DIVIDER 2
64/128
POWER
CONTROL
37
PC
12
9
24
16 15
25
31
GND
LOCK DREF19 DREF39 CAPDOQ
CAPUPQ
MBH972
VEE1 VEE2
1999 May 27
Fig.1 Block diagram.
3
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