• Planck-LFI 44-GHz back end module 

      Aja, Beatriz; Pascual, Juan Pablo; Fuente, Luisa de la; Detratti, M.; Artal Latorre, Eduardo; Mediavilla, Asier; Paco Sánchez, Pedro Antonio de; Pradell i Cara, Lluís (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-10-31)
      Article
      Accés obert
      This work describes the principle of operation, assembly and performance of one branch of the 44 GHz back end module (BEM) for the Planck low frequency instrument (LFI). This subsystem constitutes a fully representative ...
    • 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)
      Article
      Accés obert
      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, ...