NDLI: Wideband Low-Noise-Amplifier (LNA) with L = 50 nm InGaAs pHEMT and wideband RF chokes

Content Provider	IEEE Xplore Digital Library
Author	Chen, P.S. Dae-Hyun Kim Bergman, J. Hacker, J. Brar, B.
Copyright Year	2011
Description	Author affiliation: Teledyne Scientific & Imaging, LLC, Thousand Oaks, CA 91360, USA (Chen, P.S.; Dae-Hyun Kim; Bergman, J.; Hacker, J.; Brar, B.)
Abstract	This paper presents a 2-stage Low-Noise-Amplifier (LNA) MMIC which provides ultra-low-noise, broad bandwidth, and high associated gain while consuming a fairly low DC power dissipation of 20 mW. The amplifier has been fabricated using L = 50 nm enhancement-mode (E-mode) InAs pHEMTs on a 4-mil InP substrate. By using broad bandwidth RF chokes, the LNA exhibits an average noise figure (NF) of 1.1 dB from 4 to 24 GHz with a minimum associated gain (G) of 17 dB. To the knowledge of the authors, this is the first demonstration of an LNA that covers from C-band to K-band with NF < 1.1 dB. This is allowed for by combining the extremely low NF characteristics of an advanced InGaAs pHEMT with broadband RF chokes.
Starting Page	1
Ending Page	5
File Size	1016702
Page Count	5
File Format	PDF
ISBN	9781612847542
ISSN	0149645X
e-ISBN	9781612847573
e-ISBN	9781612847566
DOI	10.1109/MWSYM.2011.5972958
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indexes HEMTs Radio frequency bandwidth and RF choke Low noise amplifier InGaAs HEMT associated gain noise figure
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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