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
THERMISTOR
3
200
Ω
4
1000 pf
5
MPC CATHODE
1000 pf
6
TEC (+)
0.01
µf
7
TEC (–)
0.01
µf
1-1238F.c
J2
39 nH
0.01
µf
dc LASER
BIAS
MPD ANODE
CASE GROUND
3.3
µH
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
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