Sub-20-K noise temperature LNA for 67-90 GHz frequency band

Pekka Kangaslahti; Kieran Cleary; Jacob Kooi; Lorene Samoska; Richard Lai; Michael Barsky; Xiaobing Mei; Stephen Sarkozy; Mikko Varonen

doi:10.1109/MWSYM.2017.8059049

Sub-20-K noise temperature LNA for 67-90 GHz frequency band

Pekka Kangaslahti, Kieran Cleary, Jacob Kooi, Lorene Samoska, Richard Lai, Michael Barsky, Xiaobing Mei, Stephen Sarkozy, Mikko Varonen

Department of Electronics and Nanoengineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

3 Citations (Scopus)

Abstract

Indium Phosphide MMIC LNAs are enabling new capabilities in instrument development. The development of arrays of hundreds of cryogenically-cooled millimeter wave receivers has previously been challenging, but is now achievable with highly repeatable MMIC processes and advances in cryogenic on-wafer testing of LNAs. We have developed InP HEMT LNA MMICs for the 67-90 GHz frequency band that is the last missing receiver system from the ALMA. These MMICs provided average performance of less than 22.5 K noise temperature over the frequency band and minimum noise temperature of 17.5 K at 72 GHz. These LNAs achieve NT=220K (NF=2.4dB) at 90 GHz for Earth remote sensing instrument on Sentinel-6. Our HRMR (High Resolution Microwave Radiometer) achieves NEDT < 0.05K enabling Sentinel-6 to measure coastal ocean topography at 3 km resolution with better than 1 cm accuracy.

Original language	English
Title of host publication	2017 IEEE MTT-S International Microwave Symposium, IMS 2017
Publisher	IEEE
Pages	1965-1968
Number of pages	4
ISBN (Electronic)	9781509063604
DOIs	https://doi.org/10.1109/MWSYM.2017.8059049
Publication status	Published - 4 Oct 2017
MoE publication type	A4 Article in a conference publication
Event	IEEE MTT-S International Microwave Symposium - Honololu, United States Duration: 4 Jun 2017 → 9 Jun 2017

Publication series

Name	IEEE MTT-S International Microwave Symposium Digest
ISSN (Print)	0149-645X

Conference

Conference	IEEE MTT-S International Microwave Symposium
Abbreviated title	IMS
Country/Territory	United States
City	Honololu
Period	04/06/2017 → 09/06/2017

Keywords

ALMA
Cryogenic
InP
LNA
MMIC
Ocean topography
Sentinel-6

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10.1109/MWSYM.2017.8059049

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Kangaslahti, P., Cleary, K., Kooi, J., Samoska, L., Lai, R., Barsky, M., Mei, X., Sarkozy, S., & Varonen, M. (2017). Sub-20-K noise temperature LNA for 67-90 GHz frequency band. In 2017 IEEE MTT-S International Microwave Symposium, IMS 2017 (pp. 1965-1968). [8059049] (IEEE MTT-S International Microwave Symposium Digest). IEEE. https://doi.org/10.1109/MWSYM.2017.8059049

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abstract = "Indium Phosphide MMIC LNAs are enabling new capabilities in instrument development. The development of arrays of hundreds of cryogenically-cooled millimeter wave receivers has previously been challenging, but is now achievable with highly repeatable MMIC processes and advances in cryogenic on-wafer testing of LNAs. We have developed InP HEMT LNA MMICs for the 67-90 GHz frequency band that is the last missing receiver system from the ALMA. These MMICs provided average performance of less than 22.5 K noise temperature over the frequency band and minimum noise temperature of 17.5 K at 72 GHz. These LNAs achieve NT=220K (NF=2.4dB) at 90 GHz for Earth remote sensing instrument on Sentinel-6. Our HRMR (High Resolution Microwave Radiometer) achieves NEDT < 0.05K enabling Sentinel-6 to measure coastal ocean topography at 3 km resolution with better than 1 cm accuracy.",

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Kangaslahti, P, Cleary, K, Kooi, J, Samoska, L, Lai, R, Barsky, M, Mei, X, Sarkozy, S & Varonen, M 2017, Sub-20-K noise temperature LNA for 67-90 GHz frequency band. in 2017 IEEE MTT-S International Microwave Symposium, IMS 2017., 8059049, IEEE MTT-S International Microwave Symposium Digest, IEEE, pp. 1965-1968, IEEE MTT-S International Microwave Symposium, Honololu, Hawaii, United States, 04/06/2017. https://doi.org/10.1109/MWSYM.2017.8059049

Sub-20-K noise temperature LNA for 67-90 GHz frequency band. / Kangaslahti, Pekka; Cleary, Kieran; Kooi, Jacob et al.

2017 IEEE MTT-S International Microwave Symposium, IMS 2017. IEEE, 2017. p. 1965-1968 8059049 (IEEE MTT-S International Microwave Symposium Digest).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

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ER -

Sub-20-K noise temperature LNA for 67-90 GHz frequency band

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