50% point of amplitude and phase detector
Accumulator phase digitizer
Accurate digital phase/frequency extractor
Adjustable frequency scanning signal processor
Advanced real-time grid monitoring system and method
Ambiguity free digital averaging phase meter
Analog quadrature signal to phase angle data conversion by a qua
Angle digitizer
Angle digitizing method
Apparatus and method for determining the magnitude and phase of
Apparatus and method for measuring a phase delay characteristic
Apparatus and method for tuning electro-mechanical filter compon
Apparatus for and method of detecting a delay fault
Apparatus for and method of detecting a delay fault in a...
Apparatus for automatically phase-calibrating
Apparatus for comparing two waveforms in real time
Apparatus for detecting the amplitude and phase of an a.c. signa
Apparatus for detecting the amplitude and phase of an a.c. signa
Apparatus for detecting the amplitude and phase of an a.c. signa
Apparatus for determining when a preselected phase relationship