A Reference-Free Phase Noise Measurement Circuit Achieving 24.2 fs Periodic Jitter Sensitivity and 275 fsrmsResolution with Background Self-Calibration

Wei Jhih Jian, Wei Zen Chen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents an on-chip jitter/phase noise measurement (PNM) circuit, which is reference-free and in-situ background self-calibrated. ?S Time to digital converters (?STDC) are employed to measure cycle jitters of the signal under test, and are capable of digitizing the power spectral density of phase noise. In accordance with the measurement results by using a spectrum analyzer, it demonstrates a jitter resolution of 275 fsrms with only 4.8% error, which is at least 3X finer compared to the prior art.

Original languageEnglish
Title of host publication2022 IEEE Symposium on VLSI Technology and Circuits, VLSI Technology and Circuits 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages8-9
Number of pages2
ISBN (Electronic)9781665497725
DOIs
StatePublished - 2022
Event2022 IEEE Symposium on VLSI Technology and Circuits, VLSI Technology and Circuits 2022 - Honolulu, United States
Duration: 12 Jun 202217 Jun 2022

Publication series

NameDigest of Technical Papers - Symposium on VLSI Technology
Volume2022-June
ISSN (Print)0743-1562

Conference

Conference2022 IEEE Symposium on VLSI Technology and Circuits, VLSI Technology and Circuits 2022
Country/TerritoryUnited States
CityHonolulu
Period12/06/2217/06/22

Keywords

  • ?S time to digital converters
  • background self-calibration
  • phase noise measurement
  • reference-free and delay-line based frequency discriminator

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