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A DC-4 GHz 270Ω Differential SiGe Low-Noise Amplifier for Cryogenic Applications

Bardin, Joseph C. and Weinreb, Sander (2010) A DC-4 GHz 270Ω Differential SiGe Low-Noise Amplifier for Cryogenic Applications. In: EuMIC 2010 : the 5th European Microwave Integrated Circuits Conference. European Microwave Integrated Circuits Conference - Proceedings. IEEE , Piscataway, NJ, pp. 186-189. ISBN 978-1-4244-7231-4. https://resolver.caltech.edu/CaltechAUTHORS:20110404-100259495

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Abstract

The design and measurement of a differential DC-4 GHz low-noise amplifier that is impedance matched to 270 Ω is presented in this paper. At room temperature, the amplifier has a measured gain of 29 dB with a 3 dB bandwidth of 4 GHz. To measure the noise temperature of the amplifier at cryogenic temperatures, an extension of the cold attenuator method was employed. The measured noise was found to be better than 10 K from 1-3 GHz at 24 K physical temperature. To the authors' knowledge, this is the lowest reported noise for a differential amplifier that is impedance matched to 270 Ω.


Item Type:Book Section
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URLURL TypeDescription
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5613704&isnumber=5613634PublisherUNSPECIFIED
Additional Information:© 2010 EuMA. Issue Date: 27-28 Sept. 2010. Date of Current Version: 28 October 2010. We appreciate the help of Prof. D. Rutledge, Prof. A. Hajimiri, G. Jones, H. Mani, A. Babakhani, E. Long, E. Keehr, and J. Yoo. The tested circuits were processed by IBM under the TAPO Program with sponsorship of Dr. K. Johnson of the USNO.
Funders:
Funding AgencyGrant Number
United States Naval Observatory (USNO)UNSPECIFIED
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INSPEC Accession Number11616775
Series Name:European Microwave Integrated Circuits Conference - Proceedings
Record Number:CaltechAUTHORS:20110404-100259495
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20110404-100259495
Official Citation:Bardin, J.C.; Weinreb, S.; , "A DC-4 GHz 270Ω differential SiGe low-noise amplifier for cryogenic applications," Microwave Integrated Circuits Conference (EuMIC), 2010 European , vol., no., pp.186-189, 27-28 Sept. 2010 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5613704&isnumber=5613634
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23230
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:10 Apr 2011 01:36
Last Modified:03 Oct 2019 02:44

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