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
3
2
1
–
+
+
–
–
L1
140 nH
TH
10 k
TEC
Ω
ISOLATOR
R1
20
Ω
PACKAGE
GROUNDS
NC
+
+
–
8
9
10
11
12
13
14
1-567
Top view.
Figure 2. D2547P Circuit Schematic
7
6
5
4
3
2
1
RTH
TEC
RFC
PDPOWER
PM FIBER PIGTAIL
PDWAVE
PDWAVE
LD
RRF
8
9
10
11
12
13
14
1-1130(F)
Figure 3. D2587P Circuit Schematic
Block Diagram
LASER MODULE
ISOLATOR AND
FIBER COUPLING
OPTICS
DUAL
ETALON
DFB
SILICON SUBMOUNT
THERMISTOR
THERMOELECTRIC COOLER
SUGGESTED
ELECTRONICS MODULE (CUSTOMER SUPPLIED)
EEPROM
A TO D
CONVERTER
VOLTAGE PROPORTIONAL TO WAVELENGTH
VOLTAGE PROPORTIONAL TO OPTICAL POWER
VOLTAGE PROPORTIONAL TO TEMPERATURE
D TO A
CONVERTER
MICROPROCESSOR
1-1129(F)
3
Agere Systems Inc.