Equalization of Skin Effect Loss Dominated Channels using Pulse-Width Modulation (PWM) Pre-Emphasis

J.H.R. Schrader, Eric A.M. Klumperink, J.L. Visschers, Bram Nauta

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    Abstract

    A digital transmitter pre-emphasis technique is presented that is based on pulse-width modulation, instead of finite impulse response (FIR) filtering. The technique fits well to future high-speed low-voltage CMOS processes. A 0.13μm CMOS transmitter achieves more than 5Gb/s (2-PAM) over 25m of standard RG-58U low-end coaxial copper cable. The test chip compensates for up to 33dB of channel loss at the fundamental signaling frequency (2.5GHz), which is the highest figure compared to literature.
    Original languageUndefined
    Title of host publicationthe 16th Workshop on Circuits, Systems and Signal Processing, ProRISC 2005
    Place of PublicationUtrecht
    PublisherSTW
    Pages284-288
    Number of pages5
    ISBN (Print)90-73461-50-2
    Publication statusPublished - Nov 2005
    Event16th Workshop on Circuits, Systems and Signal Processing, ProRISC 2005 - Veldhoven, Netherlands
    Duration: 17 Nov 200518 Nov 2005
    Conference number: 16

    Publication series

    Name
    PublisherTechnology Foundation STW

    Workshop

    Workshop16th Workshop on Circuits, Systems and Signal Processing, ProRISC 2005
    CountryNetherlands
    CityVeldhoven
    Period17/11/0518/11/05

    Keywords

    • METIS-224587
    • EWI-14511
    • transmitter
    • pre-emphasis
    • Pulse-width
    • Copper
    • Equalization
    • Modulation
    • IR-52826

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