Digital Logic Implementation of Wide-Range Frequency Linear Detector

Chan Geun YOON  Jae Sul LEE  Choong Woong LEE  

IEICE TRANSACTIONS on Communications   Vol.E82-B    No.1    pp.192-195
Publication Date: 1999/01/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Communication Device and Circuit
digital frequency detector,  quadricorrelator,  

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Digital logic frequency detector whose operation is based on the analog quadricorrelator is presented. Proposed circuit consists of conventional digital logic devices without an alog elements. Therefore, it has superior reliabilities over component drifts or aging effects. Frequency linear discrimination range is 100% of the reference clock rate.