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Voltage-Mode Universal Biquadratic Filters Using CCIIs
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/02/01
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Analog Circuit Techniques and Related Topics)
universal biquad, voltage-mode, current conveyor,
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Two new voltage-mode universal biquadratic filters each with three input signals and one output signal are presented. Each proposed universal biquadratic filter is composed of only two CCIIs, two capacitors and two resistors and can realize all the standard filter functions, that is, highpass, bandpass, lowpass, notch and allpass filters (one more active device is needed for the realization of allpass filter). The proposed circuits have good sensitivities performance and have no requirements for component-matching conditions.