Chapter 7

Analog Output

Figure 7-5shows the relationship of ao/SampleClock to ao/StartTrigger.

ao/SampleClockTimebase

ao/StartTrigger

ao/SampleClock

Delay

From

Start

Trigger

Figure 7-5.ao/SampleClock and ao/StartTrigger

AO Sample Clock Timebase Signal

The AO Sample Clock Timebase (ao/SampleClockTimebase) signal is divided down to provide a source for ao/SampleClock.

You can route any of the following signals to be the AO Sample Clock

Timebase (ao/SampleClockTimebase) signal:

20 MHz Timebase

100 kHz Timebase

PFI <0..3>, PFI <8..11>

ao/SampleClockTimebase is not available as an output on the I/O connector.

You might use ao/SampleClockTimebase if you want to use an external sample clock signal, but need to divide the signal down. If you want to use an external sample clock signal, but do not need to divide the signal, then you should use ao/SampleClock rather than ao/SampleClockTimebase.