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
analog to digital converter