Fault-tolerant multi-node coupling triple mode redundancy voltage controlled oscillator for reducing soft error in clock and data recovery

A voltage controlled oscillator (VCO) applied to phase-locked loop with multi-node coupling triple mode redundancy is proposed in this Letter. The proposed VCO consists of three independent operating VCOs. These VCOs are coupled through a metal oxide metal capacitor to synchronise the output of the...

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Bibliographic Details
Published in:Electronics letters 2019-03, Vol.55 (5), p.250-252
Main Authors: Yuan, Hengzhou, Chen, Jianjun, Liang, Bin, Guo, Yang
Format: Article
Language:English
Subjects:
Circuits and systems
clock and data recovery
clock and data recovery circuits
fault tolerance
fault‐tolerant multinode coupling triple mode redundancy voltage controlled oscillator
independent operating VCOs
metal oxide metal capacitor
phase locked loops
phase noise
phase‐locked loop
radiation hardening (electronics)
redundancy
soft error reduction
synchronisation
voltage‐controlled oscillators
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Summary:A voltage controlled oscillator (VCO) applied to phase-locked loop with multi-node coupling triple mode redundancy is proposed in this Letter. The proposed VCO consists of three independent operating VCOs. These VCOs are coupled through a metal oxide metal capacitor to synchronise the output of the three independent VCOs. The proposed VCO does not introduce loop delay, and the frequency and phase noise do not decline.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2018.7700