Planck satellite 70 GHz EBB-version back end module

Sjoman, P.; Ruokokoski, Teemu; Hughes, N.; Jukkala, P.; Kangaslahti, Pekka; Ovaska, Sami; Eskelinen, Pekka

doi:10.1109/maes.2003.1201455

IEEE Aerosp. Electron. Syst. Mag.

2003

DOI: 10.1109/maes.2003.1201455

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Planck satellite 70 GHz EBB-version back end module

P. Sjoman

Teemu Ruokokoski²,

N. Hughes³

et al.

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“…The LFI contains 22 differential radiometers covering three frequency bands with ultralow-noise amplifiers based on cryogenic indium phosphide (InP) high electron-mobility transistors (HEMTs). There are four radiometers at 30 GHz, six at 44 GHz, and 12 at 70 GHz [2], [3], all of them with a 20% effective bandwidth. Fig.…”

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Very low-noise differential radiometer at 30 GHz for the PLANCK LFI

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Artal

Fuente

et al. 2005

IEEE Trans. Microwave Theory Techn.

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Abstract-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, 44, and 70 GHz. The design, test techniques, and performance of the complete differential radiometer at 30 GHz are presented. This elegant breadboard 30-GHz radiometer is composed of a front-end module (FEM) assembled at the Jodrell Bank Observatory, Cheshire, U.K., and a back-end module assembled at the Universidad de Cantabria, Cantabria, Spain, and Telecomunicació, Universitat Politécnica de Catalunya, Barcelona, Spain. The system noise temperature was excellent, mainly due to the very low noise performance of the FEM amplifiers, which achieved an average noise temperature of 9.4 K.Index Terms-Cosmic microwave background (CMB), cryogenic, low-noise amplifier (LNA), microwave radiometer, PLANCK low-frequency instrument (LFI).

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confidence: 99%

Very low-noise differential radiometer at 30 GHz for the PLANCK LFI

Aja

Artal

Fuente

et al. 2005

IEEE Trans. Microwave Theory Techn.

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Planck satellite 70 GHz EBB-version back end module

Cited by 1 publication

References 3 publications

Very low-noise differential radiometer at 30 GHz for the PLANCK LFI

Very low-noise differential radiometer at 30 GHz for the PLANCK LFI

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