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Browse Journals & Magazines > Electronics Letters ...> Volume:41 Issue:7 Help

Ultra-wideband CMOS low noise amplifier

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3 Author(s)
Kim, C.-W. ; Sch. of Eng., Inf. & Commun. Univ., Daejeon, South Korea ; Jung, M.-S. ; Lee, S.-G.

A two-stage ultra-wideband CMOS low noise amplifier (LNA) is proposed. The first stage is optimised for wideband input matching and low noise figure, while the second stage is optimised to extend the -3 dB bandwidth of the overall amplifier. The combination of stages can provide lower noise figure and wider bandwidth simultaneously over that of previously reported feedback-based CMOS amplifiers. The implemented LNA shows a peak gain of 13.5 dB, more than 8.5 dB of input return loss, and a noise figure of 2.5-7.4 dB over a -3 dB bandwidth from 2 to 9 GHz with DC power consumption of 25.2 mW.

Published in:
Electronics Letters  (Volume:41 ,  Issue: 7 )

Date of Publication: 31 March 2005

Page(s):
384 - 385
ISSN :
0013-5194
INSPEC Accession Number:
8373908
Digital Object Identifier :
10.1049/el:20058254
Product Type:
Journals & Magazines
Date of Current Version :
18 April 2005
Issue Date :
31 March 2005
Sponsored by :
Institution of Engineering and Technology

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