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Electronically tunable positive and negative fractional order inductor circuit using single topology.

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Title: Electronically tunable positive and negative fractional order inductor circuit using single topology.
Authors: Kumar, Navnit1 (AUTHOR) navnitnitmanipur@gmail.com, Kumar, Manjeet1 (AUTHOR) manjeetchhillar@gmail.com, Pandey, Neeta1 (AUTHOR) n66pandey@rediffmail.com
Source: Integration: The VLSI Journal. Jan2023, Vol. 88, p379-389. 11p.
Subjects: Low voltage integrated circuits, Electrostatic discharges, Complementary metal oxide semiconductors, Operational amplifiers, Topology
Abstract: This article presents electronically tunable grounded and floating fractional order inductor circuits. The proposed circuits employ two operational transconductance amplifiers (OTAs), one fractional order capacitor, one inverter and four MOS switches and are capable to work in positive mode and negative mode without change in topology. The behaviour of the proposed circuit is also analyzed in presence of parasites that may appear in the practical circuit. The functional verification is done via pre and post layout simulations at 90 nm CMOS technology parameter. The usefulness of the proposed positive fractional inductor circuit is demonstrated through fractional order band pass filter and fractional order high pass ladder filter. The performance of the proposed negative fractional inductance circuit is demonstrated through a fractional inductance cancellation circuit. • Electronically tunable grounded and floating fractional order inductor circuits are presented. • Grounded and floating fractional circuits work in positive mode and negative mode without change in topology. • The designed circuit consumes less chip area and low power consumption. • The proposed positive and negative fractional inductor circuits are demonstrated through fractional filters and fractional inductance cancellation circuit. • The overall circuit is validated using 90 nm CMOS process and ±1.2 V supply voltage. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:This article presents electronically tunable grounded and floating fractional order inductor circuits. The proposed circuits employ two operational transconductance amplifiers (OTAs), one fractional order capacitor, one inverter and four MOS switches and are capable to work in positive mode and negative mode without change in topology. The behaviour of the proposed circuit is also analyzed in presence of parasites that may appear in the practical circuit. The functional verification is done via pre and post layout simulations at 90 nm CMOS technology parameter. The usefulness of the proposed positive fractional inductor circuit is demonstrated through fractional order band pass filter and fractional order high pass ladder filter. The performance of the proposed negative fractional inductance circuit is demonstrated through a fractional inductance cancellation circuit. • Electronically tunable grounded and floating fractional order inductor circuits are presented. • Grounded and floating fractional circuits work in positive mode and negative mode without change in topology. • The designed circuit consumes less chip area and low power consumption. • The proposed positive and negative fractional inductor circuits are demonstrated through fractional filters and fractional inductance cancellation circuit. • The overall circuit is validated using 90 nm CMOS process and ±1.2 V supply voltage. [ABSTRACT FROM AUTHOR]
ISSN:01679260
DOI:10.1016/j.vlsi.2022.10.007