{"paper":{"title":"Advanced pseudo-correlation radiometers for the Planck-LFI instrument","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Mediavilla, A. Mennella, A. Wilkinson, B. Aja, C. Castelli, C. Lawrence, D. Kettle, D. Maino, E. Artal, E. Blackhurst, E. Martinez-Gonzalez, F. Villa, F. Winder, G. Morgante, J. Gallegos, J.P. Pascual, J. Tuovinen, J. Varis, L. de la Fuente, L. Pradell, L. Valenziano, M. Bersanelli, M. Seiffert, N. Hughes, N. Mandolesi, N. Roddis, P. de Paco, P. Jukkala, P. Kangaslahti, P. Lubin, P. Meinhold, P. Sjman, R.C. Butler, R. Davis, S. Levin, T. Gaier, T. Karttaavi","submitted_at":"2003-07-07T15:12:39Z","abstract_excerpt":"The LFI (Low Frequency Instrument) on board the ESA Planck satellite is constituted by an array of radiometric detectors actively cooled at 20 K in the 30-70 GHz frequency range in the focal plane of the Planck telescope. In this paper we present an overview of the LFI instrument, with a particular focus on the radiometer design. The adopted pseudo-correlation scheme uses a software balancing technique (with a tunable parameter called gain modulation factor) which is effective in reducing the radiometer susceptibility to amplifier instabilities also in presence of small non-idealities in the r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0307116","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0307116/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}