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A low noise 3.1-10.6 GHz pMOS distributed amplifier for ultra-wideband applications

  • Chian Chang Wei*
  • , Hsien Chinn Chiu
  • , Wu Shiung Feng
  • *Corresponding author for this work
  • Chang Gung University

Research output: Contribution to journalJournal Article peer-review

2 Scopus citations

Abstract

A low noise pMOS distributed amplifier for Ultra-wideband (UWB) application is presented in this study. The amplifier is a two-stage design fabricated in a standard 0.18-μm CMOS process. The pMOS-based distributed amplifier as input stage is used to achieve a better noise figure and a wider bandwidth; besides, the nMOS common-source amplifier as output stage is applied to obtain sufficient gain over the band, respectively. The fully amplifier exhibits a power gain of 9 dB with a gain flatness of 0.8 dB, and noise figures are approximately lower than 5.3 dB from 3.1 to 10.6 GHz. The 1-dB compression point and input third-order intercept points are -8 dBm and 3.5 dBm with total power consumption of 22.5 mW, respectively. Experimental results indicate that the proposed architecture exhibits low noise and high gain performance for UWB applications.

Original languageEnglish
Pages (from-to)1641-1644
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume49
Issue number7
DOIs
StatePublished - 07 2007

Keywords

  • CMOS
  • Distributed amplifier
  • UWB

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