Circuits and Systems

Volume 2, Issue 2 (April 2011)

ISSN Print: 2153-1285   ISSN Online: 2153-1293

Google-based Impact Factor: 0.48  Citations  

Voltage/Current-Mode Multifunction Filters Using One Current Feedback Amplifier and Grounded Capacitors

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DOI: 10.4236/cs.2011.22010    4,914 Downloads   9,532 Views  Citations

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ABSTRACT

One configuration for realizing voltage-mode multifunction filters and another configuration for realizing current-mode multifunction filters using current feedback amplifiers (CFAs) are presented. The proposed voltage-mode circuit exhibit simultaneously lowpass and bandpass filters. The proposed current-mode circuit exhibit simultaneously lowpass, bandpass and highpass filters. The proposed circuits offer the following features: no requirements for component matching conditions; low active and passive sensitivities; employing only grounded capacitors and the ability to obtain multifunction filters from the same circuit configuration.

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J. Horng, C. Hou, W. Huang and D. Yang, "Voltage/Current-Mode Multifunction Filters Using One Current Feedback Amplifier and Grounded Capacitors," Circuits and Systems, Vol. 2 No. 2, 2011, pp. 60-64. doi: 10.4236/cs.2011.22010.

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