Design of Cascode-Based Transconductance Amplifiers with Low Gain PVT Variability and Gain Enhancement Using a Body-Biasing Technique

Luís Augusto Bica Gomes de Oliveira; João Carlos da Palma Goes; Nuno Pereira

doi:10.1007/978-3-642-37291-9_64

Design of Cascode-Based Transconductance Amplifiers with Low Gain PVT Variability and Gain Enhancement Using a Body-Biasing Technique

Luís Augusto Bica Gomes de Oliveira, João Carlos da Palma Goes, Nuno Pereira

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

Abstract

A body-biasing compensation scheme based on two proportional-to-absolute-temperature (PTAT) circuits is proposed to reduce the PVT variability of the DC gain of cascode amplifiers. A brief description of a basic PTAT is given as well as its application to cascode-based operational transconductance amplifiers. Simulation results show that the proposed compensated circuit amplifier exhibit a (DC) gain variability smaller than the original (uncompensated) circuit, while reaching a gain enhancement of about 3 dB.

Original language	English
Title of host publication	IFIP Advances in Information and Communication Technology
Pages	590-599
Volume	394
DOIs	https://doi.org/10.1007/978-3-642-37291-9_64
Publication status	Published - 1 Jan 2013
Event	4th IFIP WG 5.5/SOCOLNET Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2013 - Duration: 1 Jan 2013 → …

Conference

Conference	4th IFIP WG 5.5/SOCOLNET Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2013
Period	1/01/13 → …

Keywords

Amplifier
Body-biasing
CMOS analog circuits
PVT compensation

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title = "Design of Cascode-Based Transconductance Amplifiers with Low Gain PVT Variability and Gain Enhancement Using a Body-Biasing Technique",

abstract = "A body-biasing compensation scheme based on two proportional-to-absolute-temperature (PTAT) circuits is proposed to reduce the PVT variability of the DC gain of cascode amplifiers. A brief description of a basic PTAT is given as well as its application to cascode-based operational transconductance amplifiers. Simulation results show that the proposed compensated circuit amplifier exhibit a (DC) gain variability smaller than the original (uncompensated) circuit, while reaching a gain enhancement of about 3 dB.",

keywords = "PVT compensation, CMOS analog circuits, amplifier, body-biasing, Amplifier, Body-biasing, CMOS analog circuits, PVT compensation",

author = "Oliveira, {Lu{\'i}s Augusto Bica Gomes de} and Goes, {Jo{\~a}o Carlos da Palma} and Nuno Pereira",

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Oliveira, LABGD , Goes, JCDP & Pereira, N 2013, Design of Cascode-Based Transconductance Amplifiers with Low Gain PVT Variability and Gain Enhancement Using a Body-Biasing Technique. in IFIP Advances in Information and Communication Technology. vol. 394, pp. 590-599, 4th IFIP WG 5.5/SOCOLNET Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2013, 1/01/13. https://doi.org/10.1007/978-3-642-37291-9_64

Design of Cascode-Based Transconductance Amplifiers with Low Gain PVT Variability and Gain Enhancement Using a Body-Biasing Technique. / Oliveira, Luís Augusto Bica Gomes de ; Goes, João Carlos da Palma; Pereira, Nuno.

IFIP Advances in Information and Communication Technology. Vol. 394 2013. p. 590-599.

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

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AU - Oliveira, Luís Augusto Bica Gomes de

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AU - Pereira, Nuno

N1 - Sem pdf conforme despacho.

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AB - A body-biasing compensation scheme based on two proportional-to-absolute-temperature (PTAT) circuits is proposed to reduce the PVT variability of the DC gain of cascode amplifiers. A brief description of a basic PTAT is given as well as its application to cascode-based operational transconductance amplifiers. Simulation results show that the proposed compensated circuit amplifier exhibit a (DC) gain variability smaller than the original (uncompensated) circuit, while reaching a gain enhancement of about 3 dB.

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KW - amplifier

KW - body-biasing

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KW - PVT compensation

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