Agilent Technologies n5181a - Using the EVENT Output Signal as an Instrument Trigger

86 Agilent N5181A/82A MXG Signal Generators User’s Guide
Basic Digital Operation (Option 651/652/654)
Using Waveform Markers
Sample range begins on first point of signa
l
Negative range set between signal and
off time
Example of Incorrect Use
Waveform: 1022 points
Marker range: 110-1022
Marker polarity: Negative
This figure shows that a negative polarity marker goes low during
the marker on points; the marker signal goes high during the off
points. The ALC samples the waveform during the off marker
points.
Marker On
Marker On
S
ampling both on and off time sets the modulator circuitry
i
ncorrectly for higher signal levels. Note the increased amplitude
a
t the beginning of the pulse.
Marker
Off
Marker On
Marker
Marker
Off
On