Moonmuang, Pitchayanin

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Preferred name
Moonmuang, Pitchayanin
Alternative Name
Moonmuang, P.
Main Affiliation
Email
pitchayanin.mo@kmitl.ac.th

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    Item type:Publication,
    Grounded Parallel RL, RC, and LC Immittance Simulators Using VDBAs and Passive Elements
    (2022-01-01)
    Mongkolwai, Pratya
    ;
    Moonmuang, Pitchayanin
    ;
    Pukkalanun, Tattaya
    ;
    Tangsrirat, Worapong
    This communication suggests a grounded parallel RL, RC, and LC immittance simulator. In this circuit, two voltage differencing buffered amplifiers (VDBAs) with two passive components are proposed. The VDBA device's transconductance gain can be used to electronically adjust the realized equivalent resistance (Req), inductance (Leq), and capacitance (Ceq), which is conditional on the choice of the passive element. The effect of the VDBA's non-idealities on the realized simulator is studied in this research. The second order voltage mode bandpass filter is realized using the proposed active LC parallel simulator, which is simulated using the PSPICE simulation program to ensure that it operates as desired.
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    Item type:Publication,
    Two-input two-output current-mode universal biquad using only VDTAs and grounded capacitors
    (2018-06-08)
    Moonmuang, Pitchayanin
    ;
    Mongkolwai, Pratya
    ;
    Tangsrirat, Worapong
    A two-input two-output current-mode universal biquad employing only two voltage differencing transconductance amplifiers (VDTAs) and two grounded capacitors is introduced. By appropriately connecting the input and output terminals, the proposed circuit can realize lowpass, bandpass, highpass, bandstop and allpass current responses. It also exhibits an independent electronic control of the natural angular frequency (ω<inf>o</inf>) and the quality factor (Q) by properly setting the transconductance values of the VDTAs. No critical component matching choices are imposed for generating all the filter functions, and all incremental parameter sensitivities are low.