Low-sensitivity SAB band-pass active-RC filter using impedance tapering

D. Jurišić; G. S. Moschytz; N. Mijat

doi:10.1109/iscas.2001.921815

Low-sensitivity SAB band-pass active-RC filter using impedance tapering

D. Jurišić, G. S. Moschytz, N. Mijat

University of Zagreb

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

4 Scopus citations

Abstract

The design procedure of low-sensitivity second-and third-order class-4 Sallen and Key active resistance-capacitance (RC) allpole filters, using impedance tapering, has already been published. There a ladder structure in the positive feedback loop of an operational amplifier was used. In this paper desensitization using impedance tapering is applied to class-3 circuits with negative feedback referred to as a single-amplifier biquad (SAB). The RC-section in the negative feedback loop is impedance scaled upwards from the driving source to the negative amplifier input. Second-order band-pass filters are considered. The improvement comes free of charge: component count and topology remain unchanged, whereas the component values. Selected for impedance tapering, account for the significant decrease in sensitivity to component tolerances.

Original language	English
Title of host publication	ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings
Pages	160-163
Number of pages	4
DOIs	https://doi.org/10.1109/iscas.2001.921815
State	Published - 2001
Externally published	Yes
Event	2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001 - Sydney, NSW, Australia Duration: 6 May 2001 → 9 May 2001

Publication series

Name	ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings
Volume	1

Conference

Conference	2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001
Country/Territory	Australia
City	Sydney, NSW
Period	6/05/01 → 9/05/01

Access to Document

10.1109/iscas.2001.921815

Cite this

Jurišić, D., Moschytz, G. S., & Mijat, N. (2001). Low-sensitivity SAB band-pass active-RC filter using impedance tapering. In ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings (pp. 160-163). Article 921815 (ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings; Vol. 1). https://doi.org/10.1109/iscas.2001.921815

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abstract = "The design procedure of low-sensitivity second-and third-order class-4 Sallen and Key active resistance-capacitance (RC) allpole filters, using impedance tapering, has already been published. There a ladder structure in the positive feedback loop of an operational amplifier was used. In this paper desensitization using impedance tapering is applied to class-3 circuits with negative feedback referred to as a single-amplifier biquad (SAB). The RC-section in the negative feedback loop is impedance scaled upwards from the driving source to the negative amplifier input. Second-order band-pass filters are considered. The improvement comes free of charge: component count and topology remain unchanged, whereas the component values. Selected for impedance tapering, account for the significant decrease in sensitivity to component tolerances.",

author = "D. Juri{\v s}i{\'c} and Moschytz, \{G. S.\} and N. Mijat",

year = "2001",

doi = "10.1109/iscas.2001.921815",

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note = "2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001 ; Conference date: 06-05-2001 Through 09-05-2001",

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Jurišić, D, Moschytz, GS & Mijat, N 2001, Low-sensitivity SAB band-pass active-RC filter using impedance tapering. in ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings., 921815, ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings, vol. 1, pp. 160-163, 2001 IEEE International Symposium on Circuits and Systems, ISCAS 2001, Sydney, NSW, Australia, 6/05/01. https://doi.org/10.1109/iscas.2001.921815

Low-sensitivity SAB band-pass active-RC filter using impedance tapering. / Jurišić, D.; Moschytz, G. S.; Mijat, N.
ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings. 2001. p. 160-163 921815 (ISCAS 2001 - 2001 IEEE International Symposium on Circuits and Systems, Conference Proceedings; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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Low-sensitivity SAB band-pass active-RC filter using impedance tapering

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