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Low Noise Amplifier Architecture Analysis for OFDM-UWB System in 0.18 um CMOS
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.
Fudan University, China.
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2008 (English)In: 26th Norchip Conference, Norchip, 2008, 184-189 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper analyzes architectures of the low noise amplifier (LNA) for orthogonal-frequency-division-multiplexing ultra-wideband (OFDM-UWB) application. Until now, most UWB LNA implementations are focusing how to realize a single LNA covering the whole frequency band. In this work three popular wide-band LNA architectures are compared to a proposed parallel LNA architecture in which different amplifiers cover different frequency bands. Our study reveals that by reusing the source degenerated inductor between the different frequency bands, the parallel LNA architecture can achieve better performance than the single wide-band LNA (S11<-10 dB, voltage gain >15 dB, NF >4.5 dB, power consumption <10 mW) at the expense of a slightly increased circuit area.

Place, publisher, year, edition, pages
2008. 184-189 p.
Keyword [en]
0.18 um CMOS;OFDM-UWB system;low noise amplifier architecture analysis;orthogonal-frequency-division-multiplexing ultra-wideband;parallel LNA architecture;wide-band LNA architectures;CMOS integrated circuits;OFDM modulation;low noise amplifiers;ultra wideband communication;wideband amplifiers;
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-73756DOI: 10.1109/NORCHP.2008.4738308Scopus ID: 2-s2.0-62949139941ISBN: 978-142442493-1 (print)OAI: oai:DiVA.org:kth-73756DiVA: diva2:489024
Conference
26th Norchip Conference, Norchip. Tallinn. 17 November 2008 - 18 November 2008
Note
QC 20120203Available from: 2012-02-02 Created: 2012-02-02 Last updated: 2012-02-03Bibliographically approved

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CiteExportLink to record
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  • apa
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