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Making Measurements
Measuring Jitter Transfer
If
GRAPH
ITU-T mask is displayed.
If
TEXT
Point number, Frequency, Mask amplitude (dB), Jitter Gain (dB), Result.
If applicable, points 13 through 55 can be viewed on pages 2 through 5.
2 If
GRAPH
WIDE
viewing the high frequency portion of the graph. This allows a clearer view of the
difference between the actual result and the ITU-T pass mask.
NARROW
viewing the low frequency portion of the graph. This allows a clearer view of the
difference between the actual result and the ITU-T pass mask.
3 If you wish to log the jitter tolerance results to a printer see "Logging Jitter
Transfer Results" page 266.
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is chosen, a plot of the jitter transfer results against the
is chosen, the results from which the graph is constructed are displayed:
is chosen, choose the SCALE required.
provides a vertical axis range of +5 to -60 dB and is recommended for
provides a vertical axis range of +3 to -3 dB and is recommended for
147
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