Novel Resistorless Mixed-Mode PID Controller with Improved Low-Frequency Performance

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Date
2013-09
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
This paper introduces a new resistorless mixed-mode 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 ±0.9V supply voltage verify the theoretical analysis.
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Citation
Radioengineering. 2013, vol. 22, č. 3, s. 932-940. issn 1210-2512
http://www.radioeng.cz/fulltexts/2013/13_03_0932_0940.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 3.0 Unported License
http://creativecommons.org/licenses/by/3.0/
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