HFI-bottom up

Cosmic Rays

• Elephants
• 1.6 K Stage Fluctuations
• 4 K Stage Fluctuations

Popcorn Noise Jumps 4 K Cooler-Induced EM Noise 4 K Cooler-Induced Microphonics Pointing-Change Microphonics Compression || Noise Correlations || Dimpling || Electrical Cross-Talk || Far Sidelobes || || Focal Plane Geometry

                                         ||  Gain changes with Temperature Changes                                || Pointing
                                                       ||  ADC Correction                                   || Optical Cross-Talk
                    ||                                  || Main Beam
             || Planet Fluxes             || Ruze Envelope
                 || Point Source Fluxes    || 
|    || Bandpass                   || 
|-
|                                         || Saturation                  || 
            || Time Constants