Analysis of Operational Transconductance Amplifier for application in GHz frequency range

A. Ghori; P. Ghosh

doi:10.1142/S0129156404002685

Analysis of Operational Transconductance Amplifier for application in GHz frequency range

A. Ghori, P. Ghosh

Department of Electrical Engineering & Computer Science

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

Abstract

Operational Transconductance Amplifier (OTA) is an excellent current mode device suited very well for VLSI implementation. In this contribution we report realization of OTA using Silicon-On-Insulator (SOI) structure based MOSFETs and compared them to OTA designed with bulk MOSFET. SOI based OTA outperformed bulk MOSFET OTA giving close to 10 GHz improvement in high frequency f_T. A band-pass filter was implemented with SOI based OTA with a center frequency of 7 GHz and a bandwidth of 480 kHz.

Original language	English (US)
Pages (from-to)	690-695
Number of pages	6
Journal	International Journal of High Speed Electronics and Systems
Volume	14
Issue number	3
DOIs	https://doi.org/10.1142/S0129156404002685
State	Published - Sep 2004

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Hardware and Architecture
Electrical and Electronic Engineering

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abstract = "Operational Transconductance Amplifier (OTA) is an excellent current mode device suited very well for VLSI implementation. In this contribution we report realization of OTA using Silicon-On-Insulator (SOI) structure based MOSFETs and compared them to OTA designed with bulk MOSFET. SOI based OTA outperformed bulk MOSFET OTA giving close to 10 GHz improvement in high frequency fT. A band-pass filter was implemented with SOI based OTA with a center frequency of 7 GHz and a bandwidth of 480 kHz.",

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AB - Operational Transconductance Amplifier (OTA) is an excellent current mode device suited very well for VLSI implementation. In this contribution we report realization of OTA using Silicon-On-Insulator (SOI) structure based MOSFETs and compared them to OTA designed with bulk MOSFET. SOI based OTA outperformed bulk MOSFET OTA giving close to 10 GHz improvement in high frequency fT. A band-pass filter was implemented with SOI based OTA with a center frequency of 7 GHz and a bandwidth of 480 kHz.

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Analysis of Operational Transconductance Amplifier for application in GHz frequency range

Abstract

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