Data Sheet, Rev. 2
July 2001
Wavelength-Selected, High-Power D2587P-Type (with Wavelength
Locker)/D2547P-Type Isolated DFB Laser Modules
Description
(continued)
7
–
6
+
5
+
4
–
L1
140 nH
TEC
3
–
TH
10 kΩ
2
1
PACKAGE
GROUNDS
+
8
9
10
11
R1
20
Ω
–
12
ISOLATOR
NC
+
13
14
1-567
Top view.
Figure 2. D2547P Circuit Schematic
7
6
5
4
3
2
1
TEC
RFC
PD
POWER
R
TH
PM FIBER PIGTAIL
PD
WAVE
PD
WAVE
LD
R
RF
8
9
10
11
12
13
14
1-1130(F)
Figure 3. D2587P Circuit Schematic
Block Diagram
LASER MODULE
DUAL
ETALON
DFB
SILICON SUBMOUNT
THERMISTOR
THERMOELECTRIC COOLER
ISOLATOR AND
FIBER COUPLING
OPTICS
A TO D
CONVERTER
EEPROM
SUGGESTED
ELECTRONICS MODULE (CUSTOMER SUPPLIED)
MICROPROCESSOR
D TO A
CONVERTER
VOLTAGE PROPORTIONAL TO WAVELENGTH
VOLTAGE PROPORTIONAL TO OPTICAL POWER
VOLTAGE PROPORTIONAL TO TEMPERATURE
1-1129(F)
Agere Systems Inc.
3