Voltage-mode three inputs five outputs universal biquad employing OTAs

This paper presents a new realization of electronically tunable voltage-mode universal filter with three-input five-output using operational transconductance amplifiers. The proposed filter circuit offers the following attractive feature: employment of grounded capacitors which is more suitable for...

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Bibliographic Details
Main Authors: Kumnern, M., Junnapiya, S.
Format: Conference Proceeding
Language:English
Subjects:
Band pass filters
Capacitors
Filtering theory
Integrated circuits
Matched filters
MIMO
operational transconductance amplifier
universal filter
voltage-mode circuit
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Summary:This paper presents a new realization of electronically tunable voltage-mode universal filter with three-input five-output using operational transconductance amplifiers. The proposed filter circuit offers the following attractive feature: employment of grounded capacitors which is more suitable for integrated circuit implementation, simultaneous realization of all the standard filtering functions; orthogonal control of ω o and Q and no requirement of inverting-type input signals which is require no addition circuit. PSPICE simulation results are given to verify the presented theory.
DOI:10.1109/CHUSER.2011.6163769