oq2545hp NXP Semiconductors, oq2545hp Datasheet - Page 21

• Manufacturer Part Number: oq2545hp
• Description: Sdh/sonet Stm16/oc48 Laser Drivers
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Aug 24
handbook, full pagewidth
SDH/SONET STM16/OC48 laser drivers
(1) All V
(2) All GND pins (pins 2, 4, 9, 11, 14, 20, 23, 26, 29, 32, 35, 38, 41 and 47) must be connected directly to the PCB ground plane.
EE2
pins (pins 1, 12, 13, 24, 25, 36, 37 and 48) must connected together.
Fig.17 Application schematic OQ2545HP with Electro Absorption Modulator (EAM).
electrical
monitor
output
optical monitor output
(OQ2535)
(OQ2541)
BIAS CURRENT
MUX
DCR
CONTROL
AMP
RF
CLOOPQ
DLOOPQ
AMPADJ
CLOOP
DLOOP
EFADJ
CINQ
DINQ
CIN
DIN
16
15
30
31
33
34
28
27
22
21
LASER
DIODE
50
40
MON
7, 8
LAQ
39
MONQ
OQ2545HP
controller module
21
44
from main
ALS
45
EAM
5, 6
ENL
LA
10
17
IBIAS
SMOD
46
42
19
18
43
(1)
(2)
OQ2545HP; OQ2545BHP
3
SIMOD
BGCAP
DIOA
V EE1
GND
SIBIAS
V CC
V EE2
8
14
3 to 4 k
optical fibre
10 nF
MGK372
Product specification
V ref
5 V
6.5 V
4.5 V