Keysight Technologies N9321C, User Manual

Page: 160 / 220

Key Reference
Peak Search
152
Peak Search
Places a marker on the highest peak based on the settings of the
"Peak Criteria" on page 154
.
Peak Search
Performs peak search as described above.
Key access:
Peak Search
Next Peak
Places the marker on the next highest peak. The signal peak must
exceed the peak threshold value by the peak excursion value. If
there is no peak, the marker will not move.
Key access:
Peak Search > Next Peak
Next Left PK
Moves the marker to the next peak to the left of the current marker
position. The signal peak must exceed the peak threshold value by
the peak excursion value. If there is no peak to the left, the marker
will not move and the “
No Peak Found
” error message will appear on
the display.
Key access:
Peak Search > Next Left Peak
Next Right PK
Moves the marker to the next peak to the right of the current
marker position. The signal peak must exceed the peak threshold
value by the peak excursion value. If there is no peak to the right,
the marker will not move and the “
No Peak Found
” error message
will appear on the display.
Key access:
Peak Search > Next Right Peak
Pk-Pk Search
Finds and displays the frequency (or time, if in zero span), and
amplitude differences between the highest and lowest trace points.
Key access:
Peak Search > Pk-Pk Search
NOTE
All peak search functions ignore the LO feed through signal. The process for
determining if the Peak is the LO feed through takes into account Start
Frequency, Span, Resolution Bandwidth, Resolution Bandwidth shape
factor, and Frequency Accuracy. If there is no point of inflection within the LO
feed through range, the point on the trace with maximum amplitude, that is
higher in frequency than the LO feed through, will be selected.