Chapter 5 Analog Output
© National Instruments 5-7 X Series User Manual
• AO Sample Clock Signal
*
• AO Sample Clock Timebase Signal
Signals with an
*
support digital filtering. Refer to the PFI Filters section
of Chapter 8, PFI, for more information.
AO Start Trigger Signal
Use the AO Start Trigger (ao/StartTrigger) signal to initiate a waveform
generation. If you do not use triggers, you can begin a generation with a
software command.
Retriggerable Analog Output
The AO Start Trigger can be configured to be retriggerable. The timing
engine will generate the sample clock for the configu red generation in
response to each pulse on an AO Start Trigger signal.
The timing engine ignores the AO Start Trigger signal while the clock
generation is in progress. After the clock generation is finished, the counter
waits for another Start Trigger to begin another clock generation.
Figure 5-4 shows a retriggerable AO generation of four samples.
Figure 5-4. Retriggerable Analog Output
Using a Digital Source
To use AO Start Trigger, specify a source and an edge. The source can be
one of the following signals:
•A pulse initiated by host software
• PFI <0..15>
•RTSI<0..7>
• AI Start Trigger (ai/StartTrigger)
• AI Reference Trigger (ai/ReferenceTrigger)
AO Start Trigger
AO Sample Clock
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