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PCI-DAS6030 & PCI-DAS6032 User's Guide
Functional Details
Figure 18. ATRIG Circuit
The next section includes a detailed description of each mode of operation. In each case, a ±2V triangle
waveform is used as the ATRIG input source. The THRESH_HI is set to 1.0V and the THRESH_LO signal is
set to -1.0V.
In the following analog trigger signal diagrams, the bold portion of the waveform indicates the data acquired for
the given ATRIG mode.
Trigger Above
The acquisition will begin when the ATRIG signal first goes above the THRESH_HI. This mode is non-
retriggerable.
Figure 19. Trigger Positive Slope
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