Table 1:

LFI performance requirements.

Frequency channel
30 GHz 44 GHz 70 GHz
InP detector technology MIC MIC MMIC
Angular resolution [arcmin] 33 24 14
$\delta T$per $30^\prime$ pixel [$\mu$K] 8 8 8
$\delta T/T$per pixel [$\mu$K/K] 2.67 3.67 6.29
Number of radiometers (or feeds) 4 (2) 6 (3) 12 (6)
Effective bandwidth [GHz] 6 8.8 14
System noise temperature [K] 10.7 16.6 29.2
White noise per channel [$\mu$K $\cdot \sqrt{{\rm s}}$] 116 113 105
Systematic effects [$\mu$K] <3 <3 <3

Notes. The average sensitivity per $30^\prime$ pixel or per FWHM2 resolution element ($\delta T$ and $\delta T/T$, respectively) is given in CMB temperature units (i.e. equivalent thermodynamic temperature) for 14 months of integration. The white noise (per frequency channel and 1 s of integration) is given in antenna temperature units. See Tables 2 and 6 for LFI measured performance.


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