NASA NTRS · 19690000101
Improved phase-shift-keyed detector
Abstract
Improved phase-shift-keyed detector contains an active filter circuit which uses an operational amplifier and resistor-capacitor network. The detector is used in the Saturn space vehicle and Apollo telescope mount command systems to translate an analog signal from the command receiver into digital information for the command decoder.
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Chandler, J.. 1969-05-01. Improved phase-shift-keyed detector. https://ntrs.nasa.gov/citations/19690000101
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