Phase meter and method of providing a voltage indicative of a ph
Phase sensitive detector
Phase shift circuit and FM detector circuit
Phase-metering device
Power factor meter
Power factor metering device
Power source voltage controller
Precise digital frequency detection
Precision digital phase meter
Process for determining the phase sequence in a three-phase netw
Programmable multi-channel amplitude and phase shifting circuit
Pulse alignment system
Quadrature correlation phase determining apparatus
Receiving level measuring circuit
Root mean square measuring device for negative sequence current
Sampling average phase meter
Signal measuring device
Small propagation delay measurement for digital logic
Specific phase position detection
System and process for locating sources of radiation