Prommee, Pipat

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Prommee, Pipat
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Prommee, P.
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pipat.pr@kmitl.ac.th

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    Item type:Publication,
    Single low-supply and low-distortion CMOS Analog Multiplier
    (2005-12-01)
    Prommee, Pipat
    ;
    Somdunyakanok, Montri
    ;
    Angkaew, Krit
    ;
    Jodtang, Arkhom
    ;
    Dejhan, Kobchai
    A single low-supply CMOS Analog Multiplier based upon ohmic region of MOS transistors is presented. This paper describes a method to force the drain-source voltage (V<inf>DS</inf>) of MOS transistors to operate in ohmic region. The achieved circuit can be used a single low-power supply. The complete circuit contains 20 transistors and 8 current sources using a low-power supply +1.5 volts. This circuit has high performance with very high-linearity and low-distortion. The achieved input dynamic range operation is ±400mV, the linearity error is smaller than 0.1% and total harmonic distortion is smaller than 0.25% for input range 800mVp-p. © 2005 IEEE.