Wongtaychatham, Chariya

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Wongtaychatham, Chariya
Alternative Name
Wongtaychatham, C.
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Email
chariya.wo@kmitl.ac.th

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    Item type:Publication,
    Novel resistorless mixed-mode PID controller with improved low-frequency performance
    (2013-10-22)
    Silaruam, Vinai
    ;
    Lorsawatsiri, Anuree
    ;
    Wongtaychatham, Chariya
    This paper introduces a new resistorless mixedmode proportional-integral-derivative (PID) controller. It employs six simple transconductors and only two grounded capacitors. The proposed PID controller offers several advantageous features of resistorless configuration, use of grounded capacitors, independent electronic-tuning characteristic of its parameters, and mixed-mode operation such as current, transimpedance, transadmittance, and voltage modes. The parasitic element effects of the transconductors on the proposed controller are investigated and the improved low-frequency performance of the proposed controller is then discussed. As applications, the proposed controller is demonstrated on two closed-loop systems. The PSPICE simulations with TSMC 0.18μm CMOS process and ±0.9 V supply voltage verify the theoretical analysis.