Digitally Programmable High-Q Voltage Mode Universal Filter
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Date
2013-12
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Referee
Mark
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Společnost pro radioelektronické inženýrství
Abstract
A new low-voltage low-power CMOS current feedback amplifier (CFA) is presented in this paper. This is used to realize a novel digitally programmable CFA (DPCFA) using transistor arrays and MOS switches. The proposed realizations nearly allow rail-to-rail swing capability at all the ports. Class-AB output stage ensures low power dissipation and high current drive capability. The proposed CFA/ DPCFA operates at supply voltage of ±0.75 V and exhibits bandwidth better than 95 MHz. An application of the DPCFA to realize a novel voltage mode high-Q digitally programmable universal filter (UF) is given. Performances of all the proposed circuits are verified by PSPICE simulation using TSMC 0.25μm technology parameters.
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Citation
Radioengineering. 2013, vol. 22, č. 4, s. 995-1006. issn 1210-2512
http://www.radioeng.cz/fulltexts/2013/13_04_0995_1006.pdf
http://www.radioeng.cz/fulltexts/2013/13_04_0995_1006.pdf
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Peer-reviewed
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en