NASA NTRS ยท 19760000310
Signal level detector
Abstract
Frequency-independent circuits measure amplitude of sine waves via Schmitt-trigger circuits, pair of inverters, and two flip-flop stages. Accuracy of unit is limited by Schmitt trigger threshold levels, which depend on temperature and on component variations from unit to unit.
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Anderson, T. O.. 1977-01-01. Signal level detector. https://ntrs.nasa.gov/citations/19760000310
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