Data Sheet, Rev. 2

Wavelength-Selected, High-Power D2587P-Type (with Wavelength

July 2001

Locker)/D2547P-Type Isolated DFB Laser Modules

3

Agere Systems Inc.

Top view.

Figure 2. D2547P Circuit Schematic

Figure 3. D2587P Circuit Schematic

Block Diagram

1-567

TEC

L1

140 nH

ISOLATOR

R1

20

Ω

PACKAGE

GROUNDS

–+

+

–

–

+–

+

76

54

3

2

1

8

9

10

11

12

13

TH

10 k

Ω

NC

14

TEC

PM FIBER PIGTAIL

7

6543

21

8

9

10

11

12

13

14

LD

RFC

DFB

SILICON SUBMOUNT

THERMOELECTRIC COOLER

DUAL

ETALON

THERMISTOR

ISOLATOR AND

FIBER COUPLING

OPTICS

A TO D

CONVERTER

MICROPROCESSOR

D TO A

CONVERTER

EEPROM

VOLTAGE PROPORTIONAL TO WAVELENGTH

VOLTAGE PROPORTIONAL TO OPTICAL POWER

VOLTAGE PROPORTIONAL TO TEMPERATURE

LASER MODULE

SUGGESTED

ELECTRONICS MODULE (CUSTOMER SUPPLIED)

1-1129(F)

1-1130(F)