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KOTON, J. VRBA, K.
Original Title
Electronically Tunable Frequency Filters Based on Transformation Cells
Type
conference paper
Language
English
Original Abstract
In the paper a novel circuit structure realizing a grounded parallel nth-order synthetic immittance system is introduced. Voltage conveyors (VCs) and transadmittance amplifiers (OTAs) are used as active elements. The use of the current-controlled OTAs enables modifying simply the parameters of the synthetic element designed. A further advantage of the synthetic element presented is that all the passive elements used are grounded. The application of the controlled synthetic elements is shown on a realization of tunable 4th-order frequency filters, where the cut-off frequency can be changed in a range from 1 kHz to 1 MHz. The symbolic-analysis conclusions are supplemented by PSpice simulation results
Keywords
Frequency Filter, Tunable Filter, Immittance element, OTA, Transformation Cell, Voltage Conveyor
Authors
KOTON, J.; VRBA, K.
RIV year
2008
Released
1. 4. 2008
Location
Cancun
ISBN
978-0-7695-3105-2
Book
The Third International Conference on Systems
Pages from
260
Pages to
264
Pages count
5
BibTex
@inproceedings{BUT26468, author="Jaroslav {Koton} and Kamil {Vrba}", title="Electronically Tunable Frequency Filters Based on Transformation Cells", booktitle="The Third International Conference on Systems", year="2008", pages="260--264", address="Cancun", isbn="978-0-7695-3105-2" }