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45-Gb/s SiGe BiCMOS PRBS generator and PRBS checker [pseudorandom bit sequence]

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6 Author(s)
Seongwon Kim ; IBM T. J. Watson Res. Center, Yorktown Heights, NY, USA ; Kapur, M. ; Meghelli, M. ; Rylyakov, A.
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A 27-1 pseudorandom bit sequence (PRBS) generator chip set that operates up to 45 Gb/s was fabricated and tested. The circuits are implemented using bipolar transistors in a SiGe BiCMOS technology and operate from a single -3.3 V power supply. The PRBS generator, which consumes 1.32 W, uses a high speed 4:1 multiplexer to produce the final output from four quarter-rate streams. The automatic synchronizing PRBS checker consumes 1.2 W and uses a half-rate architecture, demultiplexing the full-rate data stream to lower rate streams that are checked in parallel.

Published in:

Custom Integrated Circuits Conference, 2003. Proceedings of the IEEE 2003

Date of Conference:

21-24 Sept. 2003