Instrument for measuring the phase jitter of analog signals

Details Instrument for measuring the phase jitter of analog signals Instrument for measuring the phase jitter of analog signals

G - Physics

01

R

340/165, 328/2,

G01R 25/00 (2006.01) H04L 7/033 (2006.01)

Patent

CA 1329643

Abstract An instrument measures directly the phase jitter of analog signals transmitted on a line by a device under test, even when clock information is not available and when operating circumstances do not permit the use of analog instruments. It uses a circuit which generates a square-wave clock signal with the same phase and frequency characteristics as the signal to be measured, so that a phase comparison with a reference signal can be made. The error signal so obtained is filtered, measured and displayed.

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