A Caltech Library Service

A 75–116-GHz LNA with 23-K noise temperature at 108 GHz

Varonen, Mikko and Reeves, Rodrigo and Kangaslahti, Pekka and Samoska, Lorene and Akgiray, Ahmed and Cleary, Kieran and Gawande, Rohit and Fung, Andy and Gaier, Todd and Weinreb, Sander and Readhead, Anthony C. S. and Lawrence, Charles and Sarkozy, Stephen and Lai, Richard (2013) A 75–116-GHz LNA with 23-K noise temperature at 108 GHz. In: 2013 IEEE MTT-S International Microwave Symposium (IMS). IEEE , Piscataway, NJ, pp. 1-3. ISBN 978-1-4673-6176-7.

Full text is not posted in this repository. Consult Related URLs below.

Use this Persistent URL to link to this item:


In this paper we present the design and measurement results, both on-wafer and in package, of an ultra-low-noise and wideband monolithic microwave integrated circuit (MMIC) amplifier in the frequency range of 75 to 116 GHz. The three-stage amplifier packaged in a WR10 waveguide housing and fabricated using a 35-nm InP HEMT technology achieves a record noise temperature of 23 K at 108 GHz when cryogenically cooled to 27 K. The measured gain is 22 to 27 dB for frequency range of 75 to 116 GHz. Furthermore, the amplifier utilizes four-finger devices with a total gate width of 60 μm resulting in higher output power. Therefore, we consider that this amplifier achieves state-of-the-art performance in terms of bandwidth, noise temperature, gain, and linearity so far reported for cryogenically cooled amplifiers around W-band.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Reeves, Rodrigo0000-0001-5704-271X
Akgiray, Ahmed0000-0002-7373-4158
Fung, Andy0000-0003-4849-759X
Readhead, Anthony C. S.0000-0001-9152-961X
Additional Information:© 2013 IEEE. This work was performed in part at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. The work of M. Varonen was supported by Oak Ridge Associated Universities through the NASA Postdoctoral Program (NPP) and by Alfred Kordel Foundation. We would like to thank Ms. Mary Soria and Ms. Heather Owen of JPL for assembly expertise.
Funding AgencyGrant Number
NASA Postdoctoral ProgramUNSPECIFIED
Alfred Kordel FoundationUNSPECIFIED
Subject Keywords:InP HEMT, MMIC, low-noise amplifier, cryogenic
Record Number:CaltechAUTHORS:20180525-073555253
Persistent URL:
Official Citation:M. Varonen et al., "A 75–116-GHz LNA with 23-K noise temperature at 108 GHz," 2013 IEEE MTT-S International Microwave Symposium Digest (MTT), Seattle, WA, 2013, pp. 1-3. doi: 10.1109/MWSYM.2013.6697595
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86613
Deposited By: Tony Diaz
Deposited On:25 May 2018 16:06
Last Modified:15 Nov 2021 20:40

Repository Staff Only: item control page