OQ2545BHP Philips Semiconductors, OQ2545BHP Datasheet - Page 20

• Manufacturer Part Number: OQ2545BHP
• Description: SDH/SONET STM16/OC48 laser drivers
• Manufacturer: Philips 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.
electrical
monitor
output
(OQ2535)
(OQ2541)
MUX
DCR
AMP
RF
DLOOPQ
AMPADJ
DLOOP
Fig.16 Application schematic OQ2545BHP with laser diode.
EFADJ
DINQ
DIN
i.c.
i.c.
i.c.
i.c.
16
15
30
31
33
34
28
27
22
21
40
25
MON
7, 8
LAQ
39
MONQ
OQ2545BHP
controller module
LASER
DIODE
COMPENSATION
44
from main
5, 6
ALS
NETWORK
20
LA
45
ENL
10
IBIAS
17
SMOD
46
42
19
18
43
(1)
(2)
3
SIBIAS
SIMOD
BGCAP
V EE1
GND
DIOA
V CC
V EE2
OQ2545HP; OQ2545BHP
optical monitor output
8
14
3 to 4 k
3 to 4 k
10 nF
LASER CURRENT
V bias
CONTROL
0 to 4 V
optical fibre
V mod
MGL729
Product specification
5 V
6.5 V
4.5 V