• Very Low-Noise Differential Radiometer at 30 GHz for the PLANCK LFI 

      Aja, Beatriz; Artal Latorre, Eduardo; Fuente, Luisa de la; Pascual, Juan Pablo; Mediavilla, Asier; Roddis, Neil; Kettle, Danielle; Winder, W. Frank; Pradell i Cara, Lluís; Paco Sánchez, Pedro Antonio de (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-06-30)
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      The PLANCK mission of the European Space Agency is devoted to produce sky maps of the cosmic microwave background radiation. The low-frequency instrument is a wide-band cryogenic microwave radiometer array operating at 30, ...