IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Analog Circuits and Related SoC Integration Technologies
A Feed-Forward Time Amplifier Using a Phase Detector and Variable Delay Lines
Kiichi NIITSUNaohiro HARIGAITakahiro J. YAMAGUCHIHaruo KOBAYASHI
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2013 Volume E96.C Issue 6 Pages 920-922

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Abstract

This paper describes a high-speed, robust, scalable, and low-cost feed-forward time amplifier that uses phase detectors and variable delay lines. The amplifier works by detecting the time difference between two rising input edges with a phase detector and adjusting the delay of the variable delay line accordingly. A test chip was designed and fabricated in 65nm CMOS. The measured resulting performance indicates that it is possible to amplify time difference while maintaining high-speed operation.

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© 2013 The Institute of Electronics, Information and Communication Engineers
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