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An energy-efficient equalized transceiver for RC-dominant channels

Author(s)
Kim, Byungsub; Stojanovic, Vladimir Marko
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Abstract
This work describes the architecture and circuit implementation of a high-data-rate, energy-efficient equalized transceiver for high-loss dispersive channels, such as RC-limited on-chip interconnects or silicon-carrier packaging modules. The charge-injection transmitter directly conducts pre-emphasis current from the supply into the channel, eliminating the power overhead of analog current subtraction in conventional transmit pre-emphasis, while significantly relaxing the driver coefficient accuracy requirements. The transmitter utilizes a power efficient non-linear driver by compensating non-linearity with pre-distorted equalization coefficients. A trans-impedance amplifier at the receiver achieves low static power consumption, large signal amplitude, and high bandwidth by mitigating limitations of purely-resistive termination. A test chip is fabricated in 90-nm bulk CMOS technology and tested over a 10-mm, 2- μm pitched on-chip differential wire. The transceiver consumes 0.37-0.63 pJ/b with 4-6 Gb/s/ch.
Date issued
2010-06
URI
http://hdl.handle.net/1721.1/72662
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
IEEE Journal of Solid-State Circuits
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Kim, Byungsub, and Vladimir Stojanovic. “An Energy-Efficient Equalized Transceiver for RC-Dominant Channels.” IEEE Journal of Solid-State Circuits 45.6 (2010): 1186–1197. © Copyright 2010 IEEE
Version: Final published version
ISSN
0018-9200

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