oq2538u NXP Semiconductors, oq2538u Datasheet - Page 17

• Manufacturer Part Number: oq2538u
• Description: Sdh/sonet Stm16/oc48 Main Amplifiers
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
2000 Sep 29
handbook, full pagewidth
handbook, full pagewidth
SDH/SONET STM16/OC48 main amplifiers
PHOTODIODE
I PHOTO
V bias
LOSS OF SIGNAL
REGULATION
DETECTION
GAIN
IMPEDANCE
AMPLIFIER
CGY2100
R FB
TRANS-
INQ
IN
C INQ
22 nF
22 nF
C IN
Fig.14 Typical application schematic.
Fig.13 System application diagram.
100
nF
FILTER
200
AGCDC
100
nF
AGC
INQ
IN
6
8
3
43
OQ2538HP
AMPLIFIER
19
LIMITING
LOS
17
100
nF
18
OQ2538HP
LOSDC V EE
100
nF
clock recovery unit
to data and
nF
33
10 H
GND
OQ2538HP; OQ2538U
32
30
45
44
21
22
CAPA
COFFQ
REF
OUT
OUTQ
COFF
OQ2541HP
RECOVERY
4.7
DATA AND
F
CLOCK
V EE
MGE749
100
1 nF
4.5 V
nF
Product specification
data
recovered
clock
MGE748