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Making Measurements
Example 13: Making Pulsed RF Measurements
Figure 2-87
Markers Show Pulse Width
Pulse Repetition Frequency (PRF)
Pulse repetition interval (PRI) is the spacing in time between any two
adjacent pulse responses, shown in Figure 2-83. Using the
MARKER 1/DELTA
instead.
1. To measure PRI, set the span to 0 Hz and adjust amplitude of the
2. Set the amplitude scale to linear and readjust the signal so that it is
3. Decrease the sweep time (that is, the sweep becomes faster) until the
4. Select the single trigger mode by pressing
5. Press
6. Press
162
function, PRI can easily be inverted to read PRF
main lobe to the reference level.
on screen.
display resembles Figure 2-88.
,
PEAK SEARCH
. The difference displayed between the two markers is equal
PK LEFT
to the PRI.
and
MKR
MARKER 1/DELTA
Figure 2-88.
, and
MARKER DELTA
to display the PRF, as shown in
.
SGL SWP
or
NEXT PK RIGHT
NEXT
Chapter 2
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