Presentation 1999/9/22
Electronically Tunable Voltage-Mode Active-Only Biquad Using OAs and OTAs
Takao Tsukutani, Masami Higashimura, Yasuaki Sumi, Yutaka Fukui,
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Abstract(in English) This paper introduces a voltage-mode biquadratic circuit using only active devices such as Operational Amplifiers (OAs) and Operational Transconductance Amplifiers(OTAs). The circuit configuration is obtained utilizing Soderstrand's active-R second-order state variable filter as a prototype. It is shown that the proposed circuit can realize low-pass, band-pass, high-pass, band-stop and all-pass transfer functions. And the circuit characteristics can be electronically tuned through adjusting the transconductance gains of OTAs. An example is given together with simulated result by PSpice.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Voltage-Mode Circuit / OAs / OTAs / Biquadratic Characteristics
Paper # NLP99-89
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Conference Information
Committee NLP
Conference Date 1999/9/22(1days)
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Paper Information
Registration To Nonlinear Problems (NLP)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Electronically Tunable Voltage-Mode Active-Only Biquad Using OAs and OTAs
Sub Title (in English)
Keyword(1) Voltage-Mode Circuit
Keyword(2) OAs
Keyword(3) OTAs
Keyword(4) Biquadratic Characteristics
1st Author's Name Takao Tsukutani
1st Author's Affiliation Department of Electrical Engineering, Matsue National College of Technology()
2nd Author's Name Masami Higashimura
2nd Author's Affiliation Department of Electrical Engineering, Matsue National College of Technology
3rd Author's Name Yasuaki Sumi
3rd Author's Affiliation Corporate R&D Department, Tottori SANYO Electric Co. Ltd.
4th Author's Name Yutaka Fukui
4th Author's Affiliation Department of Electrical and Electronic Engineering, Faculty of Electrical Engineering, Tottori University
Date 1999/9/22
Paper # NLP99-89
Volume (vol) vol.99
Number (no) 324
Page pp.pp.-
#Pages 6
Date of Issue