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Cited 2 time in webofscience Cited 2 time in scopus
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A 5 Gb/s Transmitter With a TDR-Based Self-Calibration of Preemphasis Strength

Title
A 5 Gb/s Transmitter With a TDR-Based Self-Calibration of Preemphasis Strength
Authors
Seo, YHKim, YSPark, HJSim, JY
POSTECH Authors
Park, HJSim, JY
Date Issued
May-2010
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Abstract
This brief presents a differentially terminated CML transmitter with a self-calibration scheme based on time-domain reflectometry for preemphasis strength control. Without any handshaking or receiver mode control, the transmitter measures the time of flight by applying the same step input on the two transmission lines of the differential link. Since the receiver does not change its configuration, the proposed scheme greatly simplifies the preemphasis adaptation. To verify the calibration scheme, the proposed transmitter is fabricated in a 0.18-mu m CMOS. For various lengths of the microstrip line on the printed circuit board up to 80 cm, the tested transmitter greatly improves signal integrity and shows clear eye diagrams at 5 Gb/s.
Keywords
Adaptive equalization; intersymbol interference (ISI); preemphasis; time-domain reflectometry (TDR); ADAPTIVE EQUALIZATION; RECOVERY; LINKS; CMOS; TIME
URI
http://oasis.postech.ac.kr/handle/2014.oak/25507
DOI
10.1109/TCSII.2010.2047321
ISSN
1549-7747
Article Type
Article
Citation
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, vol. 57, no. 5, page. 379 - 383, 2010-05
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 PARK, HONG JUNE
Dept of Electrical Enginrg
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