Digital frequency measurement of a square wave

Research output: Contribution to conferenceConference presentation/ephemera

4 Citations (Scopus)

Abstract

A fully digital and simple to implement method to measure the frequency difference between two square waves is presented. The new frequency detector can detect small phase movements of much less than one cycle between the two square waves, even though the frequency detector is clocked at a low rate. Existing digital techniques can only detect phase slips of more than one cycle, or require clock rates much higher than the frequency of the square waves. Operating limits are given and demodulation of an FM signal demonstrated.

Original languageEnglish
Pages389-393
Number of pages5
Publication statusPublished - 1 Dec 1997
Externally publishedYes
EventProceedings of the 1997 40th Midwest Symposium on Circuits and Systems. Part 1 (of 2) - Sacramento, CA, USA
Duration: 3 Aug 19976 Aug 1997

Conference

ConferenceProceedings of the 1997 40th Midwest Symposium on Circuits and Systems. Part 1 (of 2)
CitySacramento, CA, USA
Period3/08/976/08/97

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