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A 2.5-V, 40-Gb/s decision circuit using SiGe BiCMOS logic

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3 Author(s)
T. O. Dickson ; Dept. of Electr. & Comput. Eng., Toronto Univ., Ont., Canada ; R. Beerkens ; S. P. Voinigescu

A 40-Gb/s decision circuit is reported which operates from a 2.5-V supply. It includes a flip-flop, a broadband transimpeclance preamplifier, a tuned 40-GHz clock buffer, and a 50-Ω output driver. The flipflop features a novel BiCMOS CML logic topology, which allows for lower supply voltages as compared with pure bipolar implementations without compromising speed. A mm-wave transformer is used to perform single-ended-to-differential conversion along the 40 GHz clock path.

Published in:

VLSI Circuits, 2004. Digest of Technical Papers. 2004 Symposium on

Date of Conference:

17-19 June 2004