Data Sheet, Rev. 4
June 2001
A1750A DWDM Analog
Forward-Path or Return-Path Laser Module
Electrical Schematics (continued)
CONSTANT
TEC
ALARM
1
THERMISTOR
2
THERMISTOR
dc LASER 3
BIAS
MPD ANODE 4
CASE GROUND
5
MPC CATHODE
6
TEC (+)
7
TEC (–)
39 nH
200 Ω
0.01 µf
3.3 µH
1000 pf
0.01 µf
0.01 µf
1000 pf
J2
1 THERMISTOR
2 THERMISTOR
3 dc LASER BIAS
4 MPD ANODE (CASE GROUND)
5 MPC CATHODE
6 TEC (+)
7 TEC (–)
8 GND
9 GND
10 GND
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)
Agere Systems Inc.
5