NASA NTRS ยท 19830000001
Digital Phase-Shift Standard
Abstract
Digital phase-shift standard used in combination with oscillator to calibrate other phase standards and phase-angle voltmeters. Phase-shifter circuit provides two square-wave outputs, A and B, with phase difference between them selectable in 30 degrees increments. Circuit is used with input signals as low as 1 volt rms, in almost any waveform.
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Cramp, J. A.. 1983-05-01. Digital Phase-Shift Standard. https://ntrs.nasa.gov/citations/19830000001
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