A MOS-Only Compact and Wide-Range Voltage-Controlled Grounded Resistor

Muneer A. Al-Absi; Abdulaziz Alkhulaifi

doi:10.1142/S0218126625500963

A MOS-Only Compact and Wide-Range Voltage-Controlled Grounded Resistor

Muneer A. Al-Absi^*
, Abdulaziz Alkhulaifi

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

In many integrated circuit applications, where large passive resistors are prohibited, a tunable active resistor is necessary. This paper presents a compact and wide-range voltage-controlled grounded resistor that employs MOS transistors only. The design's foundation is an active adjustable resistor that controls the NMOS transistor's mode of operation. The proposed design is implemented using 0.18 μm TSMC CMOS technology and is validated through post-layout simulations conducted in the Cadence Virtuoso environment. Furthermore, a tunable high-pass filter utilizing the proposed active resistor is also shown. The circuit is powered by 1.5 V DC. According to the simulation findings, the resistance varies between 33 k Ω and 36 G Ω, for an input voltage range -0.7-0.6 v.

Original language	English
Article number	2550096
Journal	Journal of Circuits, Systems and Computers
Volume	34
Issue number	4
DOIs	https://doi.org/10.1142/S0218126625500963
State	Published - 15 Mar 2025

Bibliographical note

Publisher Copyright:
© 2025 World Scientific Publishing Company.

Keywords

Active resistor
biomedical applications
filters
integrated circuits
oscillators
voltage-controllable

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

Access to Document

10.1142/S0218126625500963

Cite this

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title = "A MOS-Only Compact and Wide-Range Voltage-Controlled Grounded Resistor",

abstract = "In many integrated circuit applications, where large passive resistors are prohibited, a tunable active resistor is necessary. This paper presents a compact and wide-range voltage-controlled grounded resistor that employs MOS transistors only. The design's foundation is an active adjustable resistor that controls the NMOS transistor's mode of operation. The proposed design is implemented using 0.18 μm TSMC CMOS technology and is validated through post-layout simulations conducted in the Cadence Virtuoso environment. Furthermore, a tunable high-pass filter utilizing the proposed active resistor is also shown. The circuit is powered by 1.5 V DC. According to the simulation findings, the resistance varies between 33 k Ω and 36 G Ω, for an input voltage range -0.7-0.6 v.",

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AU - Alkhulaifi, Abdulaziz

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AB - In many integrated circuit applications, where large passive resistors are prohibited, a tunable active resistor is necessary. This paper presents a compact and wide-range voltage-controlled grounded resistor that employs MOS transistors only. The design's foundation is an active adjustable resistor that controls the NMOS transistor's mode of operation. The proposed design is implemented using 0.18 μm TSMC CMOS technology and is validated through post-layout simulations conducted in the Cadence Virtuoso environment. Furthermore, a tunable high-pass filter utilizing the proposed active resistor is also shown. The circuit is powered by 1.5 V DC. According to the simulation findings, the resistance varies between 33 k Ω and 36 G Ω, for an input voltage range -0.7-0.6 v.

KW - Active resistor

KW - biomedical applications

KW - filters

KW - integrated circuits

KW - oscillators

KW - voltage-controllable

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JO - Journal of Circuits, Systems and Computers

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A MOS-Only Compact and Wide-Range Voltage-Controlled Grounded Resistor

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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