Data Sheet

September 1999

1241/1243/1245-Type Uncooled Laser Transmitter

Offering multiple output power options and SONET/SDH com-

patibility, the 1241/1243-Type Uncooled Laser Transmitter is

manufactured in a 20-pin, plastic DIP with a single-mode fiber

pigtail.

Features

s

Backward compatible with 1227/1229/1238-Type

Laser Transmitters

s

Space-saving, self-contained, 20-pin DIP

s

Uses field-proven, reliable InGaAsP MQW laser

s

Requires single 5 V power supply

s

SONET/SDH compatible

s

Uncooled laser with automatic optical power con-

trol for constant output power over case tempera-

ture range

s

No thermoelectric cooler required; reduces size

and power consumption

s

Uses low-power dissipation CMOS technology

s

Qualified to meet the intent of Bellcore reliability

practices

s

Operates over data rates to 1062.5 Mbits/s (NRZ)

s

Operation at 1.3 µm or 1.55 µm wavelength

s

Typical average output power options of –11 dBm,

–8 dBm, –5 dBm, –2 dBm, and 0 dBm

s

ECL compatible, differential inputs

s

Operating temperature range of –40 °C to +85 °C

s

Transmitter-disable option

Applications

s

Telecommunications

— Inter- and intraoffice SONET/ITU-T SDH

— Subscriber loop

— Metropolitan area networks

s

High-speed data communications

— Fibre channel (FC-0)