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Thermal susceptibility of the Planck-LFI receivers

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Published 29 December 2009 • Published under licence by IOP Publishing Ltd
, , Citation L Terenzi et al 2009 JINST 4 T12012 DOI 10.1088/1748-0221/4/12/T12012

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Author affiliations

1 INAF - IASF Bologna, via P. Gobetti 101, 40129 Bologna, Italy

2 Instituto de Física de Cantabria (CSIC-UC), Av. Los Castros s/n. 39005 Santander, Spain

3 Università degli Studi di Milano, Via Celoria 16, 20133 Milano, Italy

4 Thales Alenia Space Italia, Sede di Milano, S.S. Padana Superiore 290, 20090, Vimodrone, Italy

5 Istituto di Fisica del Plasma CNR, via Cozzi 53, 20125 Milan, Italy

6 Jodrell Bank Centre for Astrophysics, Alan Turing Building, The University of Manchester, Manchester, M13 9PL, UK

7 INAF Osservatorio Astronomico di Trieste, via Tiepolo 11, Trieste 34143, Italy

8 University of Trieste, Department of Physics, via Valerio 2, Trieste 34127, Italy

9 DA-Design Oy, Keskuskatu 29, FI-31600, Jokioinen, Finland

10 MilliLab, VTT Technical Research Centre of Finland, Tietotie 3, Otaniemi, Espoo, Finland

11 Ylinen Electronics Oy, Teollisuustie 9A, FIN-02700 Kauniainen, Finland

12 School of Electrical and Electronic Engineering, The University of Manchester, Manchester, M60 1QD, UK

13 Department of Physics, University of California, Santa Barbara, CA 93106, USA

14 INAF IASF Milano, Via Bassini 15, 20133 Milano, Italy

Dates

  1. Received 23 June 2009
  2. Accepted 13 September 2009
  3. Published

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1748-0221/4/12/T12012

Abstract

This paper describes the impact of the Planck Low Frequency Instrument front end physical temperature fluctuations on the output signal. The origin of thermal instabilities in the instrument are discussed, and an analytical model of their propagation and impact on the receivers signal is described. The experimental test setup dedicated to evaluate these effects during the instrument ground calibration is reported together with data analysis methods. Finally, main results obtained are discussed and compared to the requirements.

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10.1088/1748-0221/4/12/T12012