Electronically Reconfigurable Universal Filter Based on VDTAs

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electronicallyreconfigurablevut.pdf(975.67 KB)
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2018-04-19
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IEEE
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Abstract
The proposed filter extends features of the previously presented Voltage Differencing Transconductance Amplifiers (VDTAs)-based frequency filter. It brings the new advantage of an electronic reconfiguration of its transfer. The proposed structure provides reconnection-less change between low-pass, band-pass, high-pass, band-stop and all-pass transfer functions. The electronic control of the filter parameters such as the pole frequency and quality factor remain preserved. The theoretical assumptions are supported by PSpice simulations using transistor-level models.
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Keywords
adjustable current amplifer, electronic control, electronic reconfiguration, universal filter, voltage differencing transconductance amplifier
Citation
Proceedings of 28th International Conference Radioelektronika 2018. 2018, p. 1-4.
https://ieeexplore.ieee.org/document/8376353/
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Peer-reviewed
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Accepted version
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en
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(C) IEEE
DOI
10.1109/RADIOELEK.2018.8376353
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http://hdl.handle.net/11012/83818
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