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Making Measurements Using Spectrum Analyzer Mode
Using the Time-Gated Spectrum Analyzer Capability Without the Gate Utility (Option 107 only)
Using
the
Time-Gated
Spectrum
Analyzer
Capability
to
View
Pulsed
RF
This example demonstrates how to use time-gated spectrum analyzer
capability to view two different pulsed RF signals. The signals are at the same
frequency, but they interleave in time. (This example uses the time gate
function without using the gate utility.)
To use time-gated spectrum analyzer capability to view the amplitude of a
pulsed RF signal accurately, the spectrum analyzer settings of the sweep time,
resolution bandwidth, video bandwidth, gate delay, and gate length must
be set correctly. To set the spectrum analyzer settings correctly, you must
determine the pulse repetition interval, pulse width, and signal delay (if any)
of the pulsed RF signal. Figure
5-18
shows an example of two pulsed RF
signals.
5-37
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