User guide

Operation Theory 33
Refer to Figure 3-6 for detail timing.
Figure 3-6: Configuring Different Sampling Rate of a Digitizer.
3.3.5 Timebase Exporting
The PCI/PXI-9816/26/46 can export timebase to one of the eight
PXI trigger bus lines. By software programming, you can pick up a
trigger line to transmit timebase clock. This feature is very useful
when synchronize to multiple measurement modules.
TIMEBASE
DATA
D1
Acquisition
In Progress
Trigger
Acquisition starts right after this clock edge
D1
ScanIntrv = 1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D2 D3 D4 D5 D6
D1
D2 D3 D4
ScanIntrv = 2
ScanIntrv = 3