Data Sheet, Rev. 4
June 2001
A1751A DWDM Analog
Forward-Path or Return-Path Laser Modules
Electrical Schematics (continued)
TEC
CONSTANT
ALARM
1
THERMISTOR
2
J2
THERMISTOR
39 nH
0.01
3.3
µf
1 THERMISTOR
2 THERMISTOR
3
dc LASER
3 dc LASER BIAS
4 MPD ANODE (CASE GROUND)
5 MPC CATHODE
6 TEC (+)
7 TEC (–)
8 GND
BIAS
µH
200
Ω
4
5
6
7
MPD ANODE
CASE GROUND
1000 pf
MPC CATHODE
TEC (+)
9 GND
10 GND
1000 pf
0.01 µf
TEC (–)
0.01 µf
1-1238F.c
Note: When ordering the dc set, the following boards are included: alarm board, 9108-004; TEC board, 9028-004; constant current, 9383-004.
Figure 4. dc Set (Agere Systems-Supplied Option)
5
Agere Systems Inc.
FUJITSU [ FUJITSU ]
