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Author: search.filters.author.Petchmaneelumka, WandeeSubject: search.filters.subject.Envelope detector

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    Enhanced sinusoidal amplitude detector for fast response applications
    (2013-03-28)
    Kaewpoonsuk, Anucha
    ;
    Poonart, Krerkkit
    ;
    Petchmaneelumka, Wandee
    ;
    Riewruja, Vanchai
    In this paper, an enhanced sinusoidal-amplitude detector suitable for fast response applications is proposed. Implementation method based on commercially available devices employs a novel control signal generator to improve operation speed of previously reported sinusoidal amplitude detector. The control signal generator used consists of a time-delay circuit, AND logic gate, and three comparators. The enhanced amplitude detector provides faster amplitude detection as well as smaller operation error for amplitude input changes. Experimental results verify a good agreement with theoretical expectation. © 2013 ICIC International.