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PDF D1861A050 Data sheet ( Hoja de datos )

Número de pieza D1861A050
Descripción D1861A 10 Gbits/s 1310 nm DML Module
Fabricantes Agere Systems 
Logotipo Agere Systems Logotipo



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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.

1 page




D1861A050 pdf
Data Sheet
August 2000
D1861A 10 Gbits/s 1310 nm DML Module
Ordering Information
Table 3. Ordering Information1
Device Code
D1861A023
D1861A040
D1861A050
Description
10 Gbits/s DML,
1310 nm
10 Gbits/s DML,
1310 nm
10 Gbits/s DML,
1310 nm
Connector
FC/SPC
SC/UPC
Standard
LC
Pigtail
SMF-28 2 (1 m min.)
SMF-28 2 (1 m min.)
SMF-28 2 (1 m min.)
Comcode
108870015
108870023
108870031
1. Other options available. For additional ordering information, please contact an Agere Systems account manager at Opto West, 1-800-362-
3891 (for sales staff, please press option 2).
2. SMF-28 is a trademark of Corning Incorporated.
Agere Systems Inc.
5

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