A 0.8-V Low-Power Low-Cost CMOS Crystal Oscillator with High Frequency Accuracy

Yeran Jin, Bo Zhou, Yujie Liu, Jida Peng

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

4 Citations (Scopus)

Abstract

A sub-1-V low-complexity crystal oscillator (XTO) is fabricated in 65-nm CMOS. The proposed crystal oscillator has lower power dissipation and better frequency accuracy performance than reported ones. The crystal oscillator is based on the conventional three-point Colpitts architecture. The oscillator core consists of a constant gm gain stage, a quartz crystal and two load capacitors, followed by a single-ended self-biased band-passed amplifier. Experimental results show that the presented XTO generates a 12-MHz reference clock, achieving the phase noise of-95 dBc/Hz at 100-Hz offset frequency and the frequency inaccuracy of 1.2 ppm. The proposed crystal oscillator has an active area of 0.01 mm2 and the power dissipation is 32 μ W from a 0.8-V supply.

Original languageEnglish
Title of host publication2020 5th International Conference on Integrated Circuits and Microsystems, ICICM 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages285-288
Number of pages4
ISBN (Electronic)9781728189789
DOIs
Publication statusPublished - 23 Oct 2020
Event5th IEEE International Conference on Integrated Circuits and Microsystems, ICICM 2020 - Virtual, Nanjing, China
Duration: 23 Oct 202025 Oct 2020

Publication series

Name2020 5th International Conference on Integrated Circuits and Microsystems, ICICM 2020

Conference

Conference5th IEEE International Conference on Integrated Circuits and Microsystems, ICICM 2020
Country/TerritoryChina
CityVirtual, Nanjing
Period23/10/2025/10/20

Keywords

  • crystal oscillator
  • high accuracy
  • low complexity
  • low power
  • low voltage

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