Very low noise differential radiometer at 30 GHz

B. Aja, E. Artal, L. De La Fuente, J. P. Pascual, A. Mediavilla, N. Roddis, D. Kettle, F. Winder, L. Pradell, P. De Paco

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    The description of the design, implementation and test results of a differential radiometer at 30 GHz with a 20 per cent of effective bandwidth for the Planck mission is presented. This Elegant Breadboard (EBB) 30 GHz radiometer is composed of a Front-End Module (FEM) assembled at Jodrell Bank Observatory (UK) and a Back-End Module (BEM) assembled at the University of Cantabria and Technical University of Catalonia (Spain). The achieved system noise temperature was lower than 10 Kelvin using state-of-the-art InP HEMT devices. Several tests have been carried out with the FEM cooled at cryogenic temperature (20 K) and the BEM at room temperature demonstrating system noise temperature, gain, effective bandwidth and 1/f noise cancellation according to its requirements.
    Original languageEnglish
    Title of host publicationConference Proceedings- European Microwave Conference|Conf. Proc. Eur. Microwave Conf.
    Pages749-752
    Number of pages3
    Volume2
    Publication statusPublished - 2004
    EventConference Proceedings- 34th European Microwave Conference - London
    Duration: 1 Jul 2004 → …

    Conference

    ConferenceConference Proceedings- 34th European Microwave Conference
    CityLondon
    Period1/07/04 → …

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