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 A new method to improve the impedance of the CC-II's X input
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5213

title: A new method to improve the impedance of the CC-II's X input
authors: Alves, L. N.
Aguiar, R.L.
keywords: Computer simulation
Electric currents
Electric potential
Feedback
Frequency performance
Input impedance
Series-shunt negative
Electric impedance
issue date: 2004
publisher: Institute of Electrical and Electronics Engineers (IEEE)
abstract: This paper presents a new method to improve the CC-II's X input impedance. The new method applies a double feedback scheme comprising both, series-shunt negative and series-series positive feedback paths. This method achieves input impedance levels below -15dBΩ (comparable to other reported methods), with controlled frequency peaking. Simulation results compare frequency performance of the proposed method with other reported methods, using the same reference CC-II. Effects of feedback on current and voltage transfers of the CC-II are also discussed, pointing to limitation factors on impedance reduction. ©2004 IEEE.
URI: http://hdl.handle.net/10773/5213
ISBN: 0-7803-8715-5
publisher version/DOI: http://dx.doi.org/10.1109/ICECS.2004.1399617
source: ICECS 2004: 11th IEEE International Conference on Electronics, Circuits and Systems
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