Agilent N5181A/82A MXG Signal Generators User’s Guide 93
Basic Digital Operation (Option 651/652/654)
Using Waveform Markers
Using the RF Blanking Marker Function
While you can set a marker function (described as Marker Routing on the softkey label in the second
Arb menu) either before or after setting the marker points (page 89), setting a marker function before
you set marker points may change the RF output. RF Blanking includes ALC hold (described on
page 84, note Caution regarding unleveled power). The signal generator blanks the RF output when
the marker signal goes low. This example is a continuation of the previous example, Viewing a Marker
Pulse.
1. Using the factory- supplied segment SINE_TEST_WFM, set Marker 1 across points 1−180 (page 89).
2. From the Marker Routing softkey menu, assign RF Blanking to Marker 1:
In the second Arb menu (page 87), press Marker Routing > Pulse/RF Blank > Marker 1.
Marker Polarity = Positive
When marker polarity is positive (the default
setting), the RF output is blanked during the of
marker points.
200
180
Point 1
Marker
Segment
RF Signal
RF Signal
200180
Point 1
Marker
Segment
Marker Polarity = Negative
When marker polarity is negative, the
RF output is blanked during the on marker
points
≈3.3V
0V
≈3.3V
0V
RF Signal
RF Signal
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