PHASE METER WITH HETERODYNE CONVERSION OF FREQUENCY Russian patent published in 2015 - IPC G01R25/00 

FIELD: measurement equipment.

SUBSTANCE: phase meter comprises a facility of data collection and processing, a time setting facility and at least one signal processing channel. Each signal processing channel comprises serially connected analogue-digital converter and four registers. The inlet of the analogue-digital converter is the inlet of the phase meter and the inlet of the signal processing channel, the time setting facility by its inlets is connected to the clock outlets of the analogue-digital converter, four registers and the data collection and processing facility, outlets of the signal processing channel are connected to inlets of the data collection and processing facility. Two subtractors, a summator and two code doublers are introduced into each signal processing channel of this phase meter. Inlets of the summator are connected to the outlet of the analogue-digital converter and to the outlet of the fourth register, inlets of the first subtractor are connected to outlets of the first and third registers, inlets of the second subtractor are connected to the outlet of the summator and via the first code doubler to the outlet of the second register, the inlet of the second code doubler is connected to the outlet of the first subtractor, outlets of the signal processing channel are the outlet of the second subtractor and the outlet of the second code doubler.

EFFECT: device simplification.

2 cl, 2 dwg