EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 520 (September-October 2010) A&A, 520 (2010) A4 Full HTML

 

 

Table 2:

Sensitivity budget for LFI units.

Symbol 		Name 30 GHz 44 GHz 70 GHz
$L_{\rm Feed} L_{\rm OMT}$[dB] Feed + OMT insertion loss.................. -0.25 -0.25 -0.25
$T_{\rm FE}$[K] FEM noise temperature............ 8.6 14.1 25.7
$T_{\rm Feed}+T_{\rm OMT}+T_{\rm FE}$[K]  ............................... 10.4 16.2 28.5
$G_{\rm FE}$[dB] FEM gain............... >30 >30 >30
$L_{\rm WG}$[dB] Waveguide insertion loss........... -2.5 -3 -5
$T_{\rm BE}$[K] BEM noise temperature........... 350 350 450
$T_{\rm WB}+T_{\rm BE}$[K]  ............................... 0.3 0.4 0.7
$T_{\rm sys}$[K] System temperature........... 10.7 16.6 29.2


Source LaTeX | All tables | In the text

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.