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Author: search.filters.author.Lerkvaranyu, SomkiatSubject: search.filters.subject.differential difference transconductance amplifier

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    Item type:Publication,
    Multiple-Input Multiple-Output Universal Filter Using DDTAs
    (2022-01-01)
    Suksaibul, Pichai
    ;
    Torteanchai, Usa
    ;
    Manman, Somsak
    ;
    Jongchanachavawat, Wirote
    ;
    Kumngern, Montree
    This paper presents a multiple-input multiple-output universal biquadratic filter using differential difference transconductance amplifiers. The variant filtering responses can be obtained by appropriately applying input signals and appropriately choosing output terminals. The voltage-mode filter possesses both high-input and low-output impedances. The proposed filter provides five standard filtering responses. The natural frequency can be controlled electronically, and the quality factor can be controlled orthogonally. The performance of the proposed filter is confirmed using PSPICE simulation based on 0.18 µm CMOS technology from TSMC.
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    Mixed-Mode Universal Filter Using Differential Difference Transconductance Amplifiers
    (2022-01-01)
    Suksaibul, Pichai
    ;
    Torteanchai, Usa
    ;
    Kumngern, Montree
    ;
    Jongchanachavawat, Wirote
    ;
    Burapattanasiri, Bancha
    This paper presents a new mixed-mode universal biquad filter based on differential difference transconductance amplifiers (DDTAs). This work will be expressed that many filtering functions with electronic control of the natural frequency can be obtained using DDTA-based circuit. The topology provides voltage-mode (VM), current-mode (CM), transimpedance-mode (TIM), transadmittance-mode (TAM) transfer functions into single topology and each transfer function offers five standard filtering functions. The performance of the proposed topology is carried out using PSPICE simulators based on 0.18 μm CMOS technology from TSMC. The simulation result shows that it can confirm the proposed topology.