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Planck pre-launch status: calibration of the Low Frequency Instrument flight model radiometers
F. Villa, L. Terenzi, M. Sandri +71
The Low Frequency Instrument (LFI) on-board the ESA Planck satellite carries eleven radiometer subsystems, called Radiometer Chain Assemblies (RCAs), each composed of a pair of pse…
LFI Radiometric Chain Assembly (RCA) data handling "Rachel"
M. Malaspina, E. Franceschi, P. Battaglia +26
This paper is part of the Prelaunch status LFI papers published on JINST (http://www.iop.org/EJ/journal/-page=extra.proc5/1748-0221). Planck's Low Frequency Instrument is an array…
Planck-LFI: Design and Performance of the 4 Kelvin Reference Load Unit
Luca Valenziano, Francesco Cuttaia, Adriano De Rosa +35
The LFI radiometers use a pseudo-correlation design where the signal from the sky is continuously compared with a stable reference signal, provided by a cryogenic reference load sy…
Design, development and verification of the 30 and 44 GHz front-end modules for the Planck Low Frequency Instrument
R. J. Davis, A. Wilkinson, R. D. Davies +28
We give a description of the design, construction and testing of the 30 and 44 GHz Front End Modules (FEMs) for the Low Frequency Instrument (LFI) of the Planck mission to be launc…
Optimization of Planck/LFI on--board data handling
M. Maris, M. Tomasi, S. Galeotta +34
To asses stability against 1/f noise, the Low Frequency Instrument (LFI) onboard the Planck mission will acquire data at a rate much higher than the data rate allowed by its teleme…
Level 1 on-ground telemetry handling in Planck LFI
A. Zacchei, M. Frailis, M. Maris +31
The Planck Low Frequency Instrument (LFI) will observe the Cosmic Microwave Background (CMB) by covering the frequency range 30-70 GHz in three bands. The primary instrument data s…