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Making Measurements Using Spectrum Analyzer Mode
Using the Gate Utility to Simplify Time-Gated Measurements (Option 107 only)
The gate utility can optimize the setting of resolution bandwidth if the
user enters the value of the pulse width and turns on the coupling. The
video bandwidth will be optimized if the gate length is entered and
coupled. The sweep time is optimized when the pulse repetition interval
is entered and coupled.
Press Define Coupling . Then press Pulse
Param
to enter the pulse
parameters. (This activates the time domain window and turns off the
time gate.) If pulse parameters have previously been entered, the values
will be displayed.
13. Use the ENTER REF EDGE , ENTER WIDTN , and ENTER PRI
softkeys
to enter the pulse parameters. These parameter entry tools allow pulse
parameters to be entered using a marker or through the keypad. Press
Previous Menu to return to the coupling menu.
14.
Press CPL RBW ON OFF (ON) to turn on the resolution bandwidth
coupling. Press CPL VBW ON OFF (ON), and CPL
SWP
ON OFF (ON) to
turn on the video bandwidth and sweep time coupling.
15.
Press Main Menu and look at the signal in the time domain window.
16.
Press UPDATE
TIMEFREQ
so that FREQ is underlined or press
m),
to
activate the frequency window instead of the time domain window. (If
the gate was not on when the user left the frequency window, it may be
necessary to press Define
Gate
and GATE ON OFF (ON) to turn the
gate on again.)
NOTE
If the gate menus are exited without turning the gate utility off (by pressing another front panel
key),
press the
@EiF)
key twice to return to the last gate utility menu used.
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