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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
A Positive Type DVCC-Based Universal Biquad
Author(s)
Takao Tsukutani1, and Noboru Yabuki2
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DOI:10.17265/2159-5348/2023.01.002
Affiliation(s)
1. National Institute of Technology, Matsue College, Matsue 690-8518, Japan
2. National Institute of Technology, Tsuyama College, Tsuyama 708-8509, Japan
ABSTRACT
This paper presents a current-mode universal biquad employing only positive type DVCCs (differential voltage current conveyors). The circuit enables LP (low-pass), BP (band-pass), HP (high-pass), BS (band-stop) and AP (all-pass) responses by the selection and addition of the input and output currents without any component matching constraints. Moreover the circuit parameters ω0 and Q can be set orthogonally adjusting the circuit components. A design example is given together with simulation results by PSPICE.
KEYWORDS
Analogue circuit, Biquad characteristic, DVCC, CMOS technology.
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