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Author: search.filters.author.Keawpoonsuk, AnuchaSubject: search.filters.subject.opamp

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    Item type:Publication,
    Simple vector summation circuit using opamps
    (2011-01-01)
    Kamsri, Thawatchai
    ;
    Julsereewong, Amphawan
    ;
    Keawpoonsuk, Anucha
    ;
    Petchmaneelumka, Wandee
    ;
    Riewruja, Vanchai
    This paper presents a vector summation circuit using operational amplifiers (opamps) for multiple voltage inputs. The implementation method based on the opamp supply-current sensing utilizes an inherently quadratic characteristic of the opamp class-AB output stage. The distinguishing features of the proposed implementation are simple configuration and low cost. Experimental results verifying the performances of the proposed vector summation circuit are included. © 2011 SICE.