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Author: search.filters.author.Tangsrirat, WorapongSubject: search.filters.subject.current amplfier

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    Digitally programmable current amplifier
    (2012-12-01)
    Prasertsom, Danucha
    ;
    Photsathian, Thongchai
    ;
    Tangsrirat, Worapong
    In this paper, a the digitally programmable current amplifier (DP-CA) for NMOS integrated circuit implementation is presented. To provide precise digital control of the gain characteristic, the proposed DP-CA comprises current proportional gain blocks that can be digitally controlled. The proposed DP-CA can be operated from a low power supply of ±1.25V. As an application example of the proposed circuit, the digitally programmable current-mode first-order allpass filter is described. Simulation results using 0.35-μm TSMC CMOS process parameters are also included. © 2012 IEEE.