Radiometric Noise Characterization of the 183-664 GHz Front-End Receivers for the MetOp-SG Ice Cloud Imager instrument - prospects for future missions

The 183-664 GHz heterodyne Schottky and MMIC based receivers for the Ice Cloud Instrument onboard MetOp-SG have been developed and tested against the most stringent requirements of an operation space mission. The Noise Figure and short-term gain stability (1/f) of these receivers was one of the key...

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Bibliographic Details
Main Authors: Thomas, B., Sonnabend, G., Wehres, N., Brandt, M., Trasatti, M., Andres-Beivide, A., Bergada, M., Martinez, J., Robustillo, P., Gotsmann, M., Klein, U.
Format: Conference Proceeding
Language:English
Subjects:
1/f noise
Atmospheric modeling
Clouds
heterodyne
Ice
Instruments
noise temperature
Radiometer
Receivers
Schottky
Sensitivity
sub-millimeter wave
Weather forecasting
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Summary:The 183-664 GHz heterodyne Schottky and MMIC based receivers for the Ice Cloud Instrument onboard MetOp-SG have been developed and tested against the most stringent requirements of an operation space mission. The Noise Figure and short-term gain stability (1/f) of these receivers was one of the key aspects to ensure the desired sensitivity at instrument level. A review of the methods and state-of-the-art results obtained on the Proto-Flight (PFM) and 2 nd Flight (FM2) Models will be presented and compared. Outcome of these results in the light of future missions will be discussed to evaluate future routes to integration.
ISSN:2576-7216
DOI:10.1109/IMS37964.2023.10187932