3-138
Performance Tests
Transmitted Jitter/Wander Amplitude Accuracy (Option A3K [A3Q])
Figure 3-47 Bessel Null Example
7. Check the Jitter accuracy for each value in Table 3-7. In each case, set the HP
37717C Rate and Spectrum Analyzer Center Frequency to the value given in column
1 of the table (Set the HP 37717C PATTERN to ALL ONES and jitter
AMPLITUDE to minimum after each change of Bit Rate). Set the HP 37717C
Jitter Modulation Frequency and Amplitude to the values given in columns 2 and 3
of the table. Fine-tune the amplitude to obtain the lowest carrier level on the Spectrum
Analyzer display and check that the jitter amplitude displayed on the HP 37717C is
between the limits given in columns 4 and 5 of Table 3-7.
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