Micro Mushroom Instrumentation System.
Patent, Filed 15 Jan 86, patented 26 Apr 88,
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
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An electronics circuit which provides for the recording of instrumentation data on an optical disk is disclosed. The optical disk is formatted in a spiral format instead of concentric tracks. The spiral format allows data to be recorded without the gaps that would be associated with concentric tracks. The instrumentation system provides each channel with a programmable instrumentation amplifier, a six pole lowpass switched capacitor filter, a sample and hold amplifier, and a digital to analog converter to provide automatic offset capability. Since each channel has its own components, simultaneous samples of every channel can be captured. All of the input signals channel variables can be changed under software control without hardware changes. A single board computer is used for a system controller.