W-band heterodyne receiver module with 27 K noise temperature

We present noise temperature and gain measurements of a W-band heterodyne module populated with MMIC LNAs designed and fabricated using a 35 nm InP HEMT process. The module has a WR-10 waveguide input. GPPO connectors are used for the LO input and the I and Q IF outputs. The module is tested at both...

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Bibliographic Details
Main Authors: Gawande, R., Reeves, R., Cleary, K., Readhead, A. C., Gaier, T., Kangaslahti, P., Samoska, L., Church, S., Sieth, M., Voll, P., Harris, A., Lai, R., Sarkozy, S.
Format: Conference Proceeding
Language:English
Subjects:
cryogenic
Gain
heterodyne module
InP
LNA
MMIC amplifiers
MMICs
Noise
Noise measurement
Receivers
Temperature
Temperature measurement
W-band
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Summary:We present noise temperature and gain measurements of a W-band heterodyne module populated with MMIC LNAs designed and fabricated using a 35 nm InP HEMT process. The module has a WR-10 waveguide input. GPPO connectors are used for the LO input and the I and Q IF outputs. The module is tested at both ambient (300 K) and cryogenic (25 K) temperatures. At 25 K physical temperature, the module has a noise temperature in the range of 27-45 K over the frequency band of 75-111 GHz. The module gain varies between 15 dB and 27 dB. The band-averaged module noise temperature of 350 K and 33 K were measured over 80-110 GHz for the physical temperature of 300 K and 25 K, respectively. The resulting cooling factor is 10.6.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2012.6259612