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Harmonic oscillators realized using current amplifiers and grounded capacitors

✍ Scribed by George Souliotis; Costas Psychalinos

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
132 KB
Volume
35
Category
Article
ISSN
0098-9886

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✦ Synopsis

Abstract

New configurations of harmonic oscillators, realized using current amplifier blocks and only grounded capacitors, are introduced in this article. The proposed configurations are based on a grounded inductor simulator scheme and on a loop constructed from first‐order sections, respectively. Comparison with the already published topologies shows that the new configurations have attractive characteristics concerning their implementation in integrated form. Copyright Β© 2006 John Wiley & Sons, Ltd.

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LE'ITERS TO THE EDITOR and W I&) =exp ( x cos ot) cos not dot 2 1 -\* is the modified Bessel function of the first kind. It must be noted that, in practice, the amplitude can be controlled by R1. In the experimental circuit the different component values are, R =2.7 k, Rc=27 k, RE= 100 k, R1 = 5 k,