Analytical modeling methodology for ultrawideband low noise amplifiers with generalized filter-based impedance matching

Hamid Nejati, Tamer Ragheb, Arthur Nieuwoudt, Yehia Massoud

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

In this paper, we present a modeling methodology for fully integrated inductively degenerated cascode ultrawideband low noise amplifiers (LNA) with generalized filter-based impedance matching networks. Our accurate analytical models capture the impact of device and passive component parasitics and transistor short channel effects to generate accurate designs. Utilizing our methodology, we are able to accurately generate an ultrawideband LNA in the 3.1-10.6 and fifth order Chebyshev filters as input impedance matching networks. The speed and accuracy of the proposed analytical model will facilitate rapid design space exploration for ultrawideband LNAs. © Springer Science+Business Media, LLC 2007.
Original languageEnglish (US)
Pages (from-to)121-127
Number of pages7
JournalAnalog Integrated Circuits and Signal Processing
Volume51
Issue number2
DOIs
StatePublished - May 1 2007
Externally publishedYes

ASJC Scopus subject areas

  • Hardware and Architecture
  • Signal Processing
  • Surfaces, Coatings and Films

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