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D1861 Schematic ( PDF Datasheet ) - Agere Systems

Teilenummer D1861
Beschreibung D1861A 10 Gbits/s 1310 nm DML Module
Hersteller Agere Systems
Logo Agere Systems Logo 




Gesamt 6 Seiten
D1861 Datasheet, Funktion
Data Sheet
August 2000
D1861A 10 Gbits/s 1310 nm DML Module
Description
The D1861A direct-modulated laser (DML) module is
a cost-effective solution for 10 Gbits/s digital trans-
mission up to 50 km using traditional intracity SMF28
single-mode fiber links. The 1310 nm wavelength
eliminates the need for concern about dispersion
control over most installed intracity fiber plants. The
package contains a high-speed DFB laser chip, ther-
moelectric cooler, thermistor, optical isolator, and a
rear-facet monitor photodiode, which allows for exter-
nal optical power control.
Features
s Direct-modulated 1310 nm laser module character-
ized for use in 10 Gbits/s operations up to 50 km
s Average optical output power, 4 mW min.
s Temperature stabilized with internal thermoelectric
cooler (TEC), enabling operation within a wide
temperature range of –40 °C to +80 ° C
s Hermetically sealed optics, isolator on TEC
s GPO* RF connector
s Single-mode fiber pigtail
s High relaxation frequency at low bias
Applications
s SONET/SDH low-cost metro applications
s High-speed data communications
s DWDM equipment drop-side applications
* GPO is a trademark of Gilbert Engineering Co., Inc.
7 65 4
– ++ –
32
1
TEC
MPD
DFB
ESD
PROTECTION
RTH
RF
CHOKE
10 k@ 25 °C
RMATCH
45
ISOLATOR
RF CONNECTOR
1-1157(F)
Figure 1. D1861A DML Electrical Schematic
Pin Information
Table 1. Pin Descriptions
Pin No.
Description
1 Thermistor
2 Thermistor
3 Laser Cathode (–), dc Bias1
4 MPD Anode, (Negative Bias MPD)
5 MPD Cathode
6 Thermoelectric Cooler (+)2
7 Thermoelectric Cooler (–)
1. Laser anode is case ground mAp-p drive current.
2. A positive current into this pin cools the laser.






D1861 Datasheet, Funktion
D1861A 10 Gbits/s 1310 nm DML Module
Data Sheet
August 2000
For additional information, contact your Agere Systems Account Manager or the following:
INTERNET: http://www.agere.com
E-MAIL:
N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286
1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106)
ASIA PACIFIC: Agere Systems Singapore Pte. Ltd., 77 Science Park Drive, #03-18 Cintech III, Singapore 118256
Tel. (65) 778 8833, FAX (65) 777 7495
CHINA:
Agere Systems (Shanghai) Co., Ltd., 33/F Jin Mao Tower, 88 Century Boulevard Pudong, Shanghai 200121 PRC
Tel. (86) 21 50471212, FAX (86) 21 50472266
JAPAN:
Agere Systems Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan
Tel. (81) 3 5421 1600, FAX (81) 3 5421 1700
EUROPE:
Data Requests: DATALINE: Tel. (44) 7000 582 368, FAX (44) 1189 328 148
Technical Inquiries: OPTOELECTRONICS MARKETING: (44) 1344 865 900 (Ascot UK)
Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application.
Copyright © 2001 Agere Systems Inc.
All Rights Reserved
August 2000
DS00-273OPTO

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