Low-sensitivity active-RC high- and band-pass second-order sallen & key allpole filters

Dražen Jurišić; George S. Moschytz; Neven Mijat

Low-sensitivity active-RC high- and band-pass second-order sallen & key allpole filters

Dražen Jurišić, George S. Moschytz, Neven Mijat

University of Zagreb

Research output: Contribution to journal › Conference article › peer-review

8 Scopus citations

Abstract

The design procedure of low-sensitivity, low-pass (LP) 2nd-and 3rd-order class-4 Sallen and Key active resistance-capacitance (RC) allpole filters, using impedance tapering, has already been published [1]. In this paper desensitization using impedance tapering is applied to HP and BP 2nd-order filters. It is shown that HP filters have dual properties of LP filters in the sense of sensitivity. Among various topologies of BP filters, the best topology is proposed. The sensitivity of a filter transfer function to component tolerances is examined using the Schoeffler sensitivity measure as a basis for comparison. Monte Carlo runs are performed as a double-check. The component values, selected for impedance tapering, account for the considerable decrease in sensitivities to component tolerances for the LP as well as for the HP and BP filters.

Original language	English
Pages (from-to)	IV/241-IV/244
Journal	Proceedings - IEEE International Symposium on Circuits and Systems
Volume	4
State	Published - 2002
Externally published	Yes
Event	2002 IEEE International Symposium on Circuits and Systems - Phoenix, AZ, United States Duration: 26 May 2002 → 29 May 2002

Cite this

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title = "Low-sensitivity active-RC high- and band-pass second-order sallen & key allpole filters",

abstract = "The design procedure of low-sensitivity, low-pass (LP) 2nd-and 3rd-order class-4 Sallen and Key active resistance-capacitance (RC) allpole filters, using impedance tapering, has already been published [1]. In this paper desensitization using impedance tapering is applied to HP and BP 2nd-order filters. It is shown that HP filters have dual properties of LP filters in the sense of sensitivity. Among various topologies of BP filters, the best topology is proposed. The sensitivity of a filter transfer function to component tolerances is examined using the Schoeffler sensitivity measure as a basis for comparison. Monte Carlo runs are performed as a double-check. The component values, selected for impedance tapering, account for the considerable decrease in sensitivities to component tolerances for the LP as well as for the HP and BP filters.",

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year = "2002",

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journal = "Proceedings - IEEE International Symposium on Circuits and Systems",

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note = "2002 IEEE International Symposium on Circuits and Systems ; Conference date: 26-05-2002 Through 29-05-2002",

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AU - Jurišić, Dražen

AU - Moschytz, George S.

AU - Mijat, Neven

PY - 2002

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N2 - The design procedure of low-sensitivity, low-pass (LP) 2nd-and 3rd-order class-4 Sallen and Key active resistance-capacitance (RC) allpole filters, using impedance tapering, has already been published [1]. In this paper desensitization using impedance tapering is applied to HP and BP 2nd-order filters. It is shown that HP filters have dual properties of LP filters in the sense of sensitivity. Among various topologies of BP filters, the best topology is proposed. The sensitivity of a filter transfer function to component tolerances is examined using the Schoeffler sensitivity measure as a basis for comparison. Monte Carlo runs are performed as a double-check. The component values, selected for impedance tapering, account for the considerable decrease in sensitivities to component tolerances for the LP as well as for the HP and BP filters.

AB - The design procedure of low-sensitivity, low-pass (LP) 2nd-and 3rd-order class-4 Sallen and Key active resistance-capacitance (RC) allpole filters, using impedance tapering, has already been published [1]. In this paper desensitization using impedance tapering is applied to HP and BP 2nd-order filters. It is shown that HP filters have dual properties of LP filters in the sense of sensitivity. Among various topologies of BP filters, the best topology is proposed. The sensitivity of a filter transfer function to component tolerances is examined using the Schoeffler sensitivity measure as a basis for comparison. Monte Carlo runs are performed as a double-check. The component values, selected for impedance tapering, account for the considerable decrease in sensitivities to component tolerances for the LP as well as for the HP and BP filters.

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JO - Proceedings - IEEE International Symposium on Circuits and Systems

JF - Proceedings - IEEE International Symposium on Circuits and Systems

T2 - 2002 IEEE International Symposium on Circuits and Systems

Y2 - 26 May 2002 through 29 May 2002

ER -

Low-sensitivity active-RC high- and band-pass second-order sallen & key allpole filters

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