Agilent Technologies 54503A Guia do Utilizador Página 70

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70 Chapter2
Making Measurements
Example 4: Harmonic Distortion
Figure 2-17 Harmonic Distortion in dBc (marker threshold set to 70 dB)
Find the harmonic distortion (method 1)
The difference in amplitude between the fundamental and second
harmonic shown in the figure is about 50 dB, or 0.33 percent harmonic
distortion (see Figure 2-18).
1. To measure the third harmonic, press
NEXT PK RIGHT again.
Measure additional harmonics
1. Continue reading amplitudes and comparing them to Figure 2-18 for
each additional harmonic you want to measure.
PEAK EXCURSN
defines what is and what is not a peak; the next-peak routines find
the corresponding peak.
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