Pulse or digital communications – Testing – Phase error or phase jitter
Reexamination Certificate
2005-11-04
2011-11-29
Tran, Khanh C (Department: 2611)
Pulse or digital communications
Testing
Phase error or phase jitter
C375S224000, C375S371000, C375S376000, C370S516000, C702S069000, C702S111000
Reexamination Certificate
active
08068538
ABSTRACT:
There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement, having a pulse generator for outputting a pulse signal having a pulse width set in advance corresponding to edges-under-measurement from which the timing jitter is to be measured in the signal-under-measurement, a filter for removing carrier frequency components of the signal-under-measurement from the pulse signal and a jitter calculator for calculating the jitter in the signal-under-measurement based on the signal outputted out of the filter.
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Ichiyama Kiyotaka
Ishida Masahiro
Kuramochi Yasuhide
Yamaguchi Takahiro
Advantest Corporation
Hughes Eboni
Sterne Kessler Goldstein & Fox P.L.L.C.
Tran Khanh C
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