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On the design of low-frequency filters using CMOS OTAs operating in the subthreshold

On the design of low-frequency filters using CMOS OTAs operating in the subthreshold
On the design of low-frequency filters using CMOS OTAs operating in the subthreshold
Design considerations on a circuit technique based on subthreshold operation of MOS transistors is described for the realization of low-frequency OTA-C active filters with small capacitance values of the order of 25-400 pF. The circuit technique described is applied to the $alpha@(8-12 Hz), $beta@(13-40 Hz), $theta@(4-8 Hz) and $delta@(1-4 Hz) band filters for EEG signals. Because of small capacitance values the filter circuit is suitable for realization on a single VLSI chip using the CMOS technology, and enables the user to implement the circuit on implantable biotelemetric applications. (Author abstract)
0026-2692
45-54
Duzenli, Gursel
f94223fa-9e0d-4851-97ae-c4314c2acdfc
Kilic, Yavuz
a69ba7cd-0ab3-4f59-a863-5945028fa851
Kuntman, Hakan
35490732-21ee-453f-9ef2-ee0aba59124a
Ataman, Atilla
7effeb2e-aaf8-45d0-85c0-823901611d76
Duzenli, Gursel
f94223fa-9e0d-4851-97ae-c4314c2acdfc
Kilic, Yavuz
a69ba7cd-0ab3-4f59-a863-5945028fa851
Kuntman, Hakan
35490732-21ee-453f-9ef2-ee0aba59124a
Ataman, Atilla
7effeb2e-aaf8-45d0-85c0-823901611d76

Duzenli, Gursel, Kilic, Yavuz, Kuntman, Hakan and Ataman, Atilla (1999) On the design of low-frequency filters using CMOS OTAs operating in the subthreshold. Microelectronics Journal, 30 (1), 45-54.

Record type: Article

Abstract

Design considerations on a circuit technique based on subthreshold operation of MOS transistors is described for the realization of low-frequency OTA-C active filters with small capacitance values of the order of 25-400 pF. The circuit technique described is applied to the $alpha@(8-12 Hz), $beta@(13-40 Hz), $theta@(4-8 Hz) and $delta@(1-4 Hz) band filters for EEG signals. Because of small capacitance values the filter circuit is suitable for realization on a single VLSI chip using the CMOS technology, and enables the user to implement the circuit on implantable biotelemetric applications. (Author abstract)

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More information

Published date: January 1999
Additional Information: Address: Exeter, Engl
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 252053
URI: http://eprints.soton.ac.uk/id/eprint/252053
ISSN: 0026-2692
PURE UUID: e1e74098-d890-4250-a688-5be2aabe9c70

Catalogue record

Date deposited: 05 Dec 1999
Last modified: 16 Jul 2019 23:08

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Contributors

Author: Gursel Duzenli
Author: Yavuz Kilic
Author: Hakan Kuntman
Author: Atilla Ataman

University divisions

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