Specifications

Considerations for Modifying the Segment Table
There is a basic trade-off between the resolution of a measurement and
the time the measurement takes. To increase measurement resolution, fre-
quency, or amplitude, you must be willing to accept longer measurement
times. It may be possible, however, to minimize the increase in measure-
ment time and still get the increased measurement resolution you need
over a specific portion of the graph by decreasing the resolution for other
portions of the graph.
Ranges
The Measurement Range entries in the RF Segment Table define the
frequency range that the spectrum analyzer actually sweeps for each
segment. The Plotted Range entry defines what portion of the measured
data will be plotted on the Results Graph. The Plotted Range can be the
same as, or a subrange of the Measurement Range within the following
limitation:
,,. . _. ,, . „ ^ Measurement Range
Minimum Plotted frequency >
i j- _
10Q
Considerations for Changing Measurement Ranges
Due to the possible steepness of the slope of the phase noise curve slope,
spurs are not marked in the first 10% of the Measurement Range.
Measurement Range
/ = frequency offset for which spurs are not marked
RF Segmnts 5-25