Keysight EXG and MXG X-Series Signal Generators User’s Guide
225
Basic Digital Operation (Option 653/655/656/657)
Triggering a Waveform
Example: External Triggering
Use the following example to set the signal generator to output a modulated RF signal
100 milliseconds after a change in TTL state from low to high occurs at the PATT TRIG IN rear panel
BNC connector
1.
Connect the signal generator to the function generator as shown above.
2.
Configure the RF output:
—
Set the desired frequency.
—
Set the desired amplitude.
—
Turn on the RF output.
3.
Select a waveform for playback (sequence or segment):
a.
Press
Mode
>
Dual ARB
>
Select Waveform
.
b.
In the
Segment On
or
Sequence On
column, highlight a waveform.
c.
Press
Select Waveform
.
4.
Generate the waveform:
Press
ARB Off On
until On highlights.
5.
Set the waveform trigger as follows:
a.
Trigger Type: single
Press
Trigger Type
>
Single
>
No Retrigger
b.
Trigger Source: external
Press
Trigger Source
>
Ext
c.
Input connector: Rear panel Patt Trig In BNC
Press
Ext Source
>
Patt Trig In 1
.
d.
External Trigger Polarity: positive
Press
Ext Polarity
until Pos highlights
e.
External Delay: 100 ms
Press
More
>
Ext Delay
until On highlights
Press
Ext Delay Time
>
100
>
msec
6.
Configure the Function Generator:
—
Waveform: 0.1 Hz square wave
—
Output Level: 3.5V to 5V.
