OQ2538HP_97 PHILIPS [NXP Semiconductors], OQ2538HP_97 Datasheet - Page 16

• Manufacturer Part Number: OQ2538HP_97
• Description: SDH/SONET main amplifier
• Manufacturer: PHILIPS [NXP Semiconductors]

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Philips Semiconductors
APPLICATION INFORMATION
1997 Nov 26
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SDH/SONET main amplifier
PHOTODIODE
I PHOTO
V bias
LOSS OF SIGNAL
REGULATION
DETECTION
GAIN
IMPEDANCE
INQ
AMPLIFIER
CGY2100
R FB
IN
TRANS-
C INQ
22 nF
22 nF
C IN
100
nF
Fig.14 Typical application schematic.
Fig.13 System application diagram.
200
FILTER
AGCDC
100
nF
AGC
INQ
IN
16
8
3
43
19
OQ2538HP
AMPLIFIER
LOS
LIMITING
100
nF
16
18
OQ2538HP
LOSDC V EE
100
nF
clock recovery unit
nF
33
to data and
10 H
GND
32
30
45
44
21
22
CAPA
OUT
OUTQ
COFF
COFFQ
REF
4.7
OQ2541HP
F
RECOVERY
DATA AND
CLOCK
V EE
MGE749
100
1 nF
4.5 V
nF
Preliminary specification
OQ2538HP
recovered
data
clock
MGE748