Influence of Layout Parasitics on EMI Improved Folded Cascode Amplifier Input Stages Using Filtering and Linearisation Methods

Dominik Zupan; Nikolaus Czepl; Bernd Deutschmann

doi:10.1109/APEMC49932.2021.9597104

Influence of Layout Parasitics on EMI Improved Folded Cascode Amplifier Input Stages Using Filtering and Linearisation Methods

Dominik Zupan^*, Nikolaus Czepl, Bernd Deutschmann

^*Corresponding author for this work

Institute of Electronics (4390)

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

Abstract

This paper investigates the electromagnetic interference (EMI) behaviour of EMI improved integrated folded cascode amplifier input stages. In this context three EMI improved differential input pair structures, using concepts of filtering and linearisation, are compared in terms of their susceptibility. Special attention is paid to the differences in the behavior of the structures at the design stage and the layout stage, where layout-specific parasitics that can affect circuit performance are also considered. Comparisons on the investigated structures are made in terms of EMI induced offset voltage, electromagnetic interference rejection ratio (EMIRR), layout considerations, differential and common mode gain, gain-bandwidth product (GBWP), stability, power consumption, area requirement (estimation vs. implementation) etc.

Original language	English
Title of host publication	Proceedings of the 2021 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2021
Publisher	Institute of Electrical and Electronics Engineers
Pages	1-4
ISBN (Electronic)	978-1-7281-7621-5
DOIs	https://doi.org/10.1109/APEMC49932.2021.9597104
Publication status	Published - 2021
Event	2021 Asia-Pacific International Symposium on Electromagnetic Compatibility: APEMC 2021 - Bali, Bali, Indonesia Duration: 27 Sept 2021 → 30 Sept 2021 http://www.apemc.org

Conference

Conference	2021 Asia-Pacific International Symposium on Electromagnetic Compatibility
Abbreviated title	APEMC 2021
Country/Territory	Indonesia
City	Bali
Period	27/09/21 → 30/09/21
Internet address	http://www.apemc.org

Keywords

differential input pair
electromagnetic interference
EMI improved
EMI induced offset
EMI robustness
folded cascode
operational amplifier

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering
Instrumentation
Radiation

Fields of Expertise

Information, Communication & Computing

Access to Document

10.1109/APEMC49932.2021.9597104

Cite this

Zupan, D., Czepl, N., & Deutschmann, B. (2021). Influence of Layout Parasitics on EMI Improved Folded Cascode Amplifier Input Stages Using Filtering and Linearisation Methods. In Proceedings of the 2021 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2021 (pp. 1-4). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/APEMC49932.2021.9597104

Influence of Layout Parasitics on EMI Improved Folded Cascode Amplifier Input Stages Using Filtering and Linearisation Methods. / Zupan, Dominik ; Czepl, Nikolaus ; Deutschmann, Bernd.
Proceedings of the 2021 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2021. Institute of Electrical and Electronics Engineers, 2021. p. 1-4.

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

Zupan, D , Czepl, N & Deutschmann, B 2021, Influence of Layout Parasitics on EMI Improved Folded Cascode Amplifier Input Stages Using Filtering and Linearisation Methods. in Proceedings of the 2021 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2021. Institute of Electrical and Electronics Engineers, pp. 1-4, 2021 Asia-Pacific International Symposium on Electromagnetic Compatibility, Bali, Indonesia, 27/09/21. https://doi.org/10.1109/APEMC49932.2021.9597104

Zupan D , Czepl N , Deutschmann B. Influence of Layout Parasitics on EMI Improved Folded Cascode Amplifier Input Stages Using Filtering and Linearisation Methods. In Proceedings of the 2021 Asia-Pacific International Symposium on Electromagnetic Compatibility, APEMC 2021. Institute of Electrical and Electronics Engineers. 2021. p. 1-4 doi: 10.1109/APEMC49932.2021.9597104

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abstract = "This paper investigates the electromagnetic interference (EMI) behaviour of EMI improved integrated folded cascode amplifier input stages. In this context three EMI improved differential input pair structures, using concepts of filtering and linearisation, are compared in terms of their susceptibility. Special attention is paid to the differences in the behavior of the structures at the design stage and the layout stage, where layout-specific parasitics that can affect circuit performance are also considered. Comparisons on the investigated structures are made in terms of EMI induced offset voltage, electromagnetic interference rejection ratio (EMIRR), layout considerations, differential and common mode gain, gain-bandwidth product (GBWP), stability, power consumption, area requirement (estimation vs. implementation) etc.",

keywords = "differential input pair, electromagnetic interference, EMI improved, EMI induced offset, EMI robustness, folded cascode, operational amplifier",

author = "Dominik Zupan and Nikolaus Czepl and Bernd Deutschmann",

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AB - This paper investigates the electromagnetic interference (EMI) behaviour of EMI improved integrated folded cascode amplifier input stages. In this context three EMI improved differential input pair structures, using concepts of filtering and linearisation, are compared in terms of their susceptibility. Special attention is paid to the differences in the behavior of the structures at the design stage and the layout stage, where layout-specific parasitics that can affect circuit performance are also considered. Comparisons on the investigated structures are made in terms of EMI induced offset voltage, electromagnetic interference rejection ratio (EMIRR), layout considerations, differential and common mode gain, gain-bandwidth product (GBWP), stability, power consumption, area requirement (estimation vs. implementation) etc.

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Influence of Layout Parasitics on EMI Improved Folded Cascode Amplifier Input Stages Using Filtering and Linearisation Methods

Abstract

Conference

Keywords

ASJC Scopus subject areas

Fields of Expertise

Access to Document

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2021 Asia-Pacific International Symposium on Electromagnetic Compatibility

APEMC 2021: Influence of Layout Parasitics on EMI Improved Folded Cascode Amplifier Input Stages