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High speed AlGaAs/GaAs HBT circuits for up to 40 Gb/s optical communication

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7 Author(s)
K. Runge ; Sci. Center, Rockwell Int. Corp., Thousand Oaks, CA, USA ; P. J. Zampardi ; R. L. Pierson ; P. B. Thomas
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High speed circuits such as multiplexer/demultiplexers, variable-gain limiting amplifiers (VGAs), and transimpedance amplifiers operating at high bit rates (>30 Gb/s) are required for the realization of high performance lightwave systems using TDM or WDM. We have demonstrated 40 Gb/s multiplexers, 30 Gb/s data and clock regeneration, DC-26 GHz VGAs, and transimpedance amplifiers with 3 dB bandwidth in excess of 20 GHz for use in such systems using a manufacturable hybrid digital/microwave HBT process.

Published in:

Gallium Arsenide Integrated Circuit (GaAs IC) Symposium, 1997. Technical Digest 1997., 19th Annual

Date of Conference:

12-15 Oct. 1997