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Stacking Voltage-Controlled Oscillators: Analysis and Application

Lookup NU author(s): Dr Alexander Kushnerov, Professor Alex Yakovlev

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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.


Publication metadata

Author(s): Kushnerov A, Yakovlev A

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 23rd IEEE International Conference on Electronics Circuits and Systems

Year of Conference: 2016

Pages: 53-56

Print publication date: 12/12/2016

Online publication date: 12/12/2016

Acceptance date: 11/12/2016

Date deposited: 21/12/2016

Publisher: IEEE

URL: https://doi.org/10.1109/ICECS.2016.7841130

DOI: 10.1109/ICECS.2016.7841130

Library holdings: Search Newcastle University Library for this item

ISBN: 9781509061136


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