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12-Gb/s decision circuit IC using AlGaAs/GaAS HBT technology | IEEE Journals & Magazine | IEEE Xplore

12-Gb/s decision circuit IC using AlGaAs/GaAS HBT technology


Abstract:

Circuit technology that achieves a high-bit-rate decision circuit with high input sensitivity for application to future optical communication systems by using AlGaAs/GaAs...Show More

Abstract:

Circuit technology that achieves a high-bit-rate decision circuit with high input sensitivity for application to future optical communication systems by using AlGaAs/GaAs heterojunction bipolar transistors (HBTs) is reviewed. This technology includes a highly accurate transistor model expressing the overshoot effect and a novel circuit configuration with a wideband preamplifier and an internal buffer. The decision IC operates at up to 12 Gb/s, using AlGaAs/GaAs HBTs with f/sub T/ of 40 GHz. A good sensitivity of 71 mV/sub p-p/ and a wide phase margin of 217 degrees at 11 Gb/s is also achieved under error-free conditions (less than 10/sup -9/ errors).<>
Published in: IEEE Journal of Solid-State Circuits ( Volume: 25, Issue: 6, December 1990)
Page(s): 1538 - 1543
Date of Publication: 06 August 2002

ISSN Information:


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