Single DDCC-Based Voltage-Mode Multifunction Filter

Hua-Pin CHEN
Kuo-Hsiung WU

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E90-A    No.9    pp.2029-2031
Publication Date: 2007/09/01
Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e90-a.9.2029
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Circuit Theory
Keyword: 
active filters,  current conveyors,  analogue electronics,  

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Summary: 
Despite the extensive literature on current conveyor-based voltage-mode universal biquads with single input and multiple outputs, no filter circuits have been reported to date which simultaneously achieve all of the advantageous features: (i) employment of only one differential difference current conveyor (DDCC), (ii) employment of only two grounded capacitors, (iii) employment of only three resistors, (iv) simultaneous realization of voltage-mode low-pass, band-pass, and high-pass filter signals from the three output terminals, respectively, (v) no need to employ inverting type input signals, and (vi) no need to impose component choice.

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