3

Agere Systems Inc.

Data Sheet

January 2001

A1112 High-Power 1550 nm DFB Source Lasers

Figure 1. A1112 Laser Positive Bias Ciicuit Schematic

Figure 2. A1112 Laser Negative Bias Ciicuit Schematic

TEC

NC

1

2

3

4

5

6

7

14

13

12

11

10

9

8

CASE

GROUND

(+)

(–)

NC

CASE

GROUND

NC

CASE

GROUND

TEC

NC

1

2

3

4

5

6

7

14

13

12

11

10

9

8

CASE

GROUND

(+)

(–)

CASE

GROUND

NC

CASE

GROUND

CASE

GROUND

NC

1-1232(F)

1-1232(F).a