Stacking voltage-controlled oscillators: Analysis and application

Alexander Kushnerov, Alexandre Yakovlev

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

Abstract

The paper proposes a method to regulate the output frequency and duty cycle (phase) of ring oscillator by emulating a resistive voltage divider using purely digital means. To this end an additional master oscillator that can be clocked by an external frequency is connected in series with a slave one. The behavioral model of this system is a stack of voltage-controlled oscillators, since the inherent frequency of ring oscillator depends on its power supply voltage. The paper derives analytical expressions for the PWM output frequency and duty cycle as two interdependent functions of two control frequencies. The obtained theoretical results agree well with the results of simulations.

Original languageEnglish
Title of host publication2016 IEEE International Conference on Electronics, Circuits and Systems, ICECS 2016
PublisherInstitute of Electrical and Electronics Engineers
Pages53-56
Number of pages4
ISBN (Electronic)9781509061136
DOIs
StatePublished - 1 Jan 2016
Externally publishedYes
Event23rd IEEE International Conference on Electronics, Circuits and Systems, ICECS 2016 - Monte Carlo, Monaco
Duration: 11 Dec 201614 Dec 2016

Publication series

Name2016 IEEE International Conference on Electronics, Circuits and Systems, ICECS 2016

Conference

Conference23rd IEEE International Conference on Electronics, Circuits and Systems, ICECS 2016
Country/TerritoryMonaco
CityMonte Carlo
Period11/12/1614/12/16

Keywords

  • equivalent resistance
  • frequency mirror
  • impedance
  • nonlinear circuits
  • pulse width modulation
  • switched capacitor

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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