Analysis of Operational Transconductance Amplifier for application in GHz frequency range

A. Ghori, P. Ghosh

Research output: Contribution to journalArticle

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.

Original languageEnglish (US)
Pages (from-to)690-695
Number of pages6
JournalInternational Journal of High Speed Electronics and Systems
Volume14
Issue number3
DOIs
StatePublished - Sep 1 2004

ASJC Scopus subject areas

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

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