ANALOG DEVICES AD808 Service Manual

AD808

622 Mbps Limiting Amplifier and Clock and Data Recovery IC

HIGH LEVEL OF PERFORMANCE AND FUNCTIONAL INTEGRATION FACILITATES DESIGN WHILE MINIMIZING MANUFACTURING COSTS

As the demand for bandwidth continues to grow, Analog Devices is focused on providing high-performance yet cost-effective interface IC solutions to address the needs of today’s optical networking systems.

The AD808 is a 622 Mbps clock and data recovery IC with an integrated post-amplifier function. No external reference clocks are required. All SONET/SDH jitter specifications are exceeded, including jitter tolerance, jitter transfer, and jitter generation.

With a substantial level of integration and superior jitter performance, Analog’s AD808 is industry-proven for use in OC-12/SDH-4 fiber optic receivers.

Analog has over 10 years of experience in designing fiber optic components; put our expertise to work for you.

The AD808 leverages

Analog’s design expertise

for 622 Mbps fiber optic

receiver applications.

FEATURES:

• Integrated Limiting Amplifier: 4 mV Sensitivity, Typical

• No External Reference Clock or Crystal Required

• Exceed all SONET/SDH Requirements for Jitter Transfer,

Jitter Generation, and Jitter Tolerance

• Low Power: 400 mW

• Single Supply: 5 V

• Loss-of-Signal Alarm

Trademarks and registered trademarks are the property of their respective companies. Printed in the U.S.A. H02454–0.3–3/01(0)

www.analog.com

WORLDWIDE HEADQUARTERS

One Technology Way P.O. Box 9106 Norwood, MA 02062-9106, U.S.A. Tel: +1 781 329 4700, (1 800 262 5643, U.S.A. only) Fax: +1 781 326 8703 World Wide Web Site: www.analog.com

EUROPE HEADQUARTERS

Am Westpark 1–3, D-81373 München Germany Tel: +89 76903-0 Fax: +89 76903-557

JAPAN HEADQUARTERS

New Pier Takeshiba South Tower Building 1-16-1 Kaigan, Minato-ku Tokyo 105-6891, Japan Tel: +3 5402 8200 Fax: +3 5402 1063

SOUTHEAST ASIA HEADQUARTERS

4501 Nat West Tower Times Square Causeway Bay, Hong Kong, PRC Tel: +2 2506 9336 Fax: +2 2506 4755

This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog Devices assumes no obligation regarding future manufacture, unless otherwise agreed to in writing. No responsibility is assumed by Analog Devices for its use; nor for any infringement of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.