3 Functions and Measurements
44 N9342C/43C/44C User’s Guide
3 Change the center frequency to the value of the
second (400 MHz) harmonic:
• Press [Peak]
• Press [Marker] > {Marker To} > {To Center}
4 Change the span to 50 MHz and re- center the
signal:
• Press [Span] > 50 > {MHz}
• Press [Peak]
5 Set the attenuation to 0 dB:
• Press [Amptd] > {Attenuation} > 0 > {dB}
• Press [Marker] > {Marker To} > {To Ref}
6 To determine whether the harmonic distortion
products are generated by the analyzer, first save
the trace data in trace 2 as follows:
• Press [Trace] > {Trace (2)}
• Press [Trace] > {Clear Write}
7 Allow trace 2 to update (minimum two sweeps),
then store the data from trace 2 and place a
delta marker on the harmonic of trace 2:
• Press [Trace] > {View}
• Press [Peak]
• Press [Marker] > {Delta}
The Figure 3- 14 shows the stored data in trace 2
and the measured data in trace 1. The Marker
Delta indicator reads the difference in amplitude
between the reference and active trace markers.
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