© National Instruments Corporation 15 NI PXI/PCI-5124 Specifications
External Sample Clock
Sources NI PXI-5124 NI PCI-5124
CLK IN (front panel
SMB connector)
PXI Star Trigger
(backplane connector)
CLK IN (front panel SMB
connector)
Frequency
Range
50 MHz to 210 MHz (CLK IN)
50MHz to 80 MHz (PXI Star Trigger)
Divide by
ndecimation
available where
1 n 65,535
For more
information
about Sample
Clock and
decimation,
refer to the
NIH igh-Speed
Digitizers Help.
Duty Cycle
Tolerance
45% to 55%
Exported
Reference Clock
Destinations
NI PXI-5124 NI PCI-5124
CLK OUT (front panel
SMB connector)
PFI<0..1> (front panel
9-pin mini-circular
DINconnect or)
PXI_Trig<0..7>
(backplane connector)
CLK OUT (front panel
SMB connector)
PFI<0..1> (front panel
9-pin mini-circular
DIN connector)
RTSI<0 ..7>
Specification Valu e Comments