Tektronix MTG100 Manuel d'utilisateur Page 150

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Adding Jitter to PCRs (MTG300 only)
MTG100 & MTG300 MPEG Generator User Manual
3Ć91
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Figure 3Ć32: Changing the PCR interval in the Period mode
Deviation Mode. In this mode, PCR interval varies by the amplitude variation of
the waveform selected in the Pattern item with reference to standard PCR
interval.
Figure 3-33 shows the variation of PCR interval in Deviation mode with
following settings:
PCR Interval: 30 ms, Pattern: Square, Period: 8 [Packets], Amplitude: 10 ms
In this mode, PCR interval after jitter insertion can be defined by the following
equation:
PCR(n) =PCR_Reference + Square(t)
Where: PCR_Reference is the PCR interval set in the PCR Interval item, and
Square(t) is the square waveform defined by the Amplitude and Period items.
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