Galileo Spacecraft Pages
The CMS channels are calibrated electronically and with particles in both bench and flight situations. Radioactive sources and accelerator beams are used for the particle calibrations, and calibrated electronic pulsers are used to measure thresholds. Radioactive sources are installed in the protective shield in motor position 0. A closed loop threshold calibrator is used in flight to monitor the electronically-set discrimination levels.
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Updated 5/3/04, T. Hunt-Ward