Method and device for measuring phase jitter on a...

Details Method and device for measuring phase jitter on a... Method and device for measuring phase jitter on a...

G - Physics

01

R

324/33

G01R 25/00 (2006.01) H04L 1/20 (2006.01) H04L 1/24 (2006.01)

Patent

CA 1227246

ABSTRACT METHOD AND DEVICE FOR MEASURING PHASE JITTER ON A TRANSMISSION SUNNILY A sinusoidal test signal of a given frequency is applied by a generator to a transmission channel. The output signal from the channel is sampled and fed to a Hilbert transformer. From the sampled outputs of the Hilbert transformer the phase of the received signal is derived. The phase of a test signal is subtracted from that of the output signal and the resultant signal is fed to a phase filter, which removes therefrom the phase intercept and frequency shift components. The output from filter is fed to a predictive filter which removes the residual noise therefrom. A detector measures the variations of the phase jitter values provided by the predictive filter.

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