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Cited 6 time in webofscience Cited 7 time in scopus
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5-Gb/s Peak Detector Using a Current Comparator and a Three-State Charge Pump

Title
5-Gb/s Peak Detector Using a Current Comparator and a Three-State Charge Pump
Authors
Kim, JHShin, JBSim, JYPark, HJ
POSTECH Authors
Sim, JYPark, HJ
Date Issued
May-2011
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Abstract
A 5-Gb/s current-mode peak detector is proposed using a V-I converter, a current comparator, and a charge pump with three states (i.e., UP, DN, and HOLD). It eliminates the problem that a voltage error increases with an input data rate in a conventional peak detector circuit. In this brief, the voltage error between the measured input and output peak voltages is smaller than 5% for a pseudo-random binary sequence signal at a data rate up to 5 Gb/s, with an input voltage swing up to +/- 500 mV and an input common-mode voltage of 0.9 V. A chip fabricated in a 0.18-mu m process gives the power consumption of 2.7 mW at a voltage supply of 1.8 V and a chip area of 150 mu m x 120 mu m.
Keywords
Charge pump; current comparator; current mode; diode rectifier; peak detector; three state; DESIGN
URI
http://oasis.postech.ac.kr/handle/2014.oak/17344
DOI
10.1109/TCSII.2011.2124830
ISSN
1549-7747
Article Type
Article
Citation
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, vol. 58, no. 5, page. 269 - 273, 2011-05
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 PARK, HONG JUNE
Dept of Electrical Enginrg
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