National Instruments PXI-6683 Series, User Manual, Page: 15 / 66

3-2
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Chapter 3 Hardware Overview
Figure 3-2 provides a functional overview of the NI PXI-6683 Series.
Figure 3-2. Functional Overview of the NI PXI-6683
Note
The NI PXI-6683H does not have PXI_STAR trigger lines, shown as
PXI_STAR<0..12> in Figure 3-2. The NI PXI-6683H does not have the CLKIN
circuitry, or the ability to drive PXI_CLK10_IN.
S ynchroniz a tion
Clock Gener a tion
a nd
Ro u ting
Circ u itry
PCI Interf a ce
PXI
PCI
PXI_ S TAR<0..12>
PXI_TRIG<0..7>
PXI_CLK10_IN
CLKIN
AC Co u pled
Clock Detector
PXI_CLK10
PFI 0
IRIG-B AM
Receiver
PFI 1
PFI 2
TCXO
(O s cill a tor)
CLKOUT
AC Co u pling
GP S RF IN
+5 V DC OUT
GP S
Receiver
PFI0 Digit a l
Ethernet
Controller
Ethernet
Port
Not in NI PXI-66 83 H
Not in NI PXI-66 83 H
DAC