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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
A Plus Type CC-Based Current-Mode Universal Biquad
Author(s)
Takao Tsukutani1 and Noboru Yabuki2
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DOI:10.17265/2328-2223/2020.01.003
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 introduces a current-mode universal biquad circuit using only
plus type CCs (current conveyors) (i.e. DVCCs (differential voltage current
conveyors) and CCIIs (second generation 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/or 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
responses by PSPICE.
KEYWORDS
Analog circuit, biquad responses, current conveyors, CMOS technology.
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