A 3.3-V 21-Gb/s PRBS generator in AlGaAs/GaAs HBT technology
- 1 September 2000
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Solid-State Circuits
- Vol. 35 (9) , 1266-1270
- https://doi.org/10.1109/4.868034
Abstract
We present a pseudorandom bit sequence (PRBS) generator that outputs a 2/sup 7/-1 bit pattern at rates up to 21 Gb/s. The circuit is implemented in a 40-GHz AlGaAs/GaAs heterojunction bipolar transistor (HBT) standard production process, operates from a single 3.3-V power supply, and consumes 1.1 W of power. We discuss variations of PRBS architecture and digital circuit topologies which exploit unique characteristics of AlGaAs/GaAs HBT devices. The work demonstrates the feasibility of using AlGaAs/GaAs HBT technology with low-voltage/low-power design techniques in complex high-speed circuits.Keywords
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