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JAIKLA, W. KHATEB, F. SIRIPONGDEE, S. SUPAVARASUWAT, P. SUWANJAN, P.
Original Title
Electronically Tunable Current-mode Biquad Filter Employing CCCDTAs and Grounded Capacitors with Low Input and High Output Impedance
Type
journal article in Web of Science
Language
English
Original Abstract
In this study, a single-input multiple-outputs current-mode analog biquadratic filter, based on current controlled current differencing transconductance amplifier (CCCDTA) is presented. The proposed filter uses two CCCDTAs and two grounded capacitors without any external resistors, which is well suited for integrated circuit implementation. The filter simultaneously gives 3 standard transfer functions, namely, lowpass, highpass and bandpass filters with independent control of quality factor and pole frequency by electronic method. By summing of IHP and LLP, the notch filter can be also achieved. Moreover, the circuit has low input and high output impedance which would be an ideal choice for cascading in current-mode circuit. The PSPICE simulation results are included verifying the workability of the proposed filter. The given results agree well with the theoretical anticipation.
Keywords
current-mode; CCCDTA, filter, integrated circuit, analog circuit
Authors
JAIKLA, W.; KHATEB, F.; SIRIPONGDEE, S.; SUPAVARASUWAT, P.; SUWANJAN, P.
RIV year
2013
Released
31. 5. 2013
Publisher
Urban and Fischer
Location
Germany
ISBN
1434-8411
Periodical
AEU - International Journal of Electronics and Communications
Year of study
2013 (67)
Number
12, IF: 0.551
State
Federal Republic of Germany
Pages from
1005
Pages to
1009
Pages count
5
URL
http://dx.doi.org/10.1016/j.aeue.2013.05.014
BibTex
@article{BUT99921, author="Winai {Jaikla} and Fabian {Khateb} and Surapong {Siripongdee} and Piya {Supavarasuwat} and Peerawut {Suwanjan}", title="Electronically Tunable Current-mode Biquad Filter Employing CCCDTAs and Grounded Capacitors with Low Input and High Output Impedance", journal="AEU - International Journal of Electronics and Communications", year="2013", volume="2013 (67)", number="12, IF: 0.551", pages="1005--1009", doi="10.1016/j.aeue.2013.05.014", issn="1434-8411", url="http://dx.doi.org/10.1016/j.aeue.2013.05.014" }