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C488T253

Description
Transmitter, 1-Func, LOW PROFILE PACKAGE
CategoryWireless rf/communication    Telecom circuit   
File Size268KB,10 Pages
ManufacturerBroadcom
Download Datasheet Parametric View All

C488T253 Overview

Transmitter, 1-Func, LOW PROFILE PACKAGE

C488T253 Parametric

Parameter NameAttribute value
package instruction,
Reach Compliance Codecompliant
JESD-30 codeR-XDFO-X
JESD-609 codee0
Negative supply voltage rating-5.2 V
Number of functions1
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialUNSPECIFIED
Package shapeRECTANGULAR
Package formFIBER OPTIC
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Nominal supply voltage5 V
surface mountNO
Telecom integrated circuit typesATM/SONET/SDH TRANSMITTER
Temperature levelCOMMERCIAL
Terminal surfaceTIN LEAD
Terminal formUNSPECIFIED
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Base Number Matches1
Advance Data Sheet
February 2000
C488-Type 2.5 Gbits/s
Tunable, Stabilized, Long-Haul Laser Transmitters
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Low-profile, 24-pin package
Laser bias monitor alarm
Laser back-facet monitor output
Transmitter-enable input
Applications
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SONET/SDH extended-reach
Extra long-haul, very dense, wave-division multi-
plexing (DWDM)
High-speed data communication
Digitized video
Offering multiple output power options and SONET/SDH com-
patibility, the C488-Type Tunable Laser Transmitters support
four wavelengths and can be remotely programmed.
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Features
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Description
The C488-Type 2.5 Gbits/s Laser Transmitters are
designed for use in transmission systems and high-
speed data communication applications. The trans-
mitter operates at the SONET OC-48 rate as well as
the ITU-T SDH rate of STM-16. The device supports
four wavelengths and uses an RS-232 interface to
control various transmitter functions, including aver-
age optical power, wavelength, and fine-power. In
addition, the interface allows access to the alarm and
monitoring outputs as well as the unit’s serial num-
ber.
The transmitters meet all present
Telcordia Technolo-
gies
* GR-253-CORE requirements and the ITU-T
G.957 and G.958 recommendations. They are also
ideally suited for extended-distance data and net-
working applications.
The C488 Transmitter features a 1.5
µ
m laser with an
electroabsorptive modulator and an integrated stabi-
lizer. The device is capable of 360 km or 640 km
transmission at 2.5 Gbits/s in DWDM systems at a
channel spacing of 50 GHz or less. By integrating the
modulator with the laser chip, the device offers a
compact, cost-effective solution for extended-reach
transmissions.
*
Telcordia Technologies
is a trademark of Bell Communications
Research, Inc.
Data rates to 2.5 Gbits/s
Long-haul transmission to 640 km
SONET and ITU-T compliant at OC-48 and
STM-16
Integrated Fabry-Perot Etalon stabilizer
— Replaces external wavelength lockers
Wavelength range, 1528.77 nm—1563.86 nm
Optical output power adjustment (
±
0.5 dB)
Extinction ratio
11 dB
Wavelength remotely programmable over four
50 GHz ITU-T channels
Asynchronous serial interface for transmitter com-
munication
Dither signal input
Clocked or nonclocked operation with single-ended
or differential inputs
50
ac-coupled PECL compatible data and clock
inputs
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