Difference between revisions of "LFI design, qualification, and performance"
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[[Category:Instruments]] | [[Category:Instruments]] | ||
+ | == Overview == | ||
+ | |||
+ | The first : | ||
+ | * uno | ||
+ | * due | ||
+ | ** tre | ||
+ | ** quattro | ||
+ | Only a. | ||
+ | |||
+ | == The LFI description == | ||
+ | Each LFI radiometer | ||
+ | g <math>V_{sky}</math>, <math>V_{load}</math> signals at the frequency of the phase switch. By changing the phase switches configuration, the output can be a sequence of either <math>V_{sky}</math> or <math>V_{load}</math> signals. | ||
+ | |||
+ | a tunable ''offset'', <math>O_{DAE}</math>, then it amplifies the signal with a tunable ''gain'', <math>G_{DAE}</math>, |
Revision as of 13:18, 18 October 2012
Overview[edit]
The first :
- uno
- due
- tre
- quattro
Only a.
The LFI description[edit]
Each LFI radiometer g , signals at the frequency of the phase switch. By changing the phase switches configuration, the output can be a sequence of either or signals.
a tunable offset,, then it amplifies the signal with a tunable gain, ,
(Planck) Low Frequency Instrument
LFI Data Acquisition Electronics