Product specifications

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Figure 20 shows an example of the dynamic range improvement that the PNA-X
has over the E836x PNA models due to the narrowband filter path and the
software gating technique. In this example of .001% duty cycle, the measure-
ment in the PNA is very noisy, and many averages are needed to get a usable
measurement. At this duty cycle, the PNA-X’s hardware gives about 20 dB
of improvement and the software gating provides another 20 dB, for a total of
40 dB improvement. This gives a very usable dynamic range; in fact, the 60 dB
dynamic range is about the same as that afforded by an 8510-based pulsed
solution, but with much shorter pulses (50 ns versus 1 us).
Figure 20. System dynamic range comparisons, 40 dB improvement with PNA-X
and software gating