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© National Instruments Corporation 17 NI PXI/PCI-5124 Specifications
CLK IN (Sample Clock and Reference Clock Input,
Front Panel Connector)
CLK OUT (Sample Clock and Reference Clock Output,
Front Panel Connector)
Trigger
Reference (Stop) Trigger
Specification Value Comments
Input Voltage
Range
Sine wave: 0.65 V
pk-pk
to 2.8 V
pk-pk
(0 dBm to 13 dBm)
Square wave: 0.2 V
pk-pk
to 2.8 V
pk-pk
—
Maximum Input
Overload
7V
rms
with |Peaks| ≤10 V —
Impedance 50 Ω —
Coupling AC —
Specification Value Comments
Output Impedance 50 Ω —
Logic Type 3.3 V CMOS —
Maximum Drive
Current
±48 mA —
Specification Value Comments
Trigger Types
and Sources
Types Sources Refer to the
following
sections and the
NI High-Speed
Digitizers
Help for more
information about
what sources are
available for each
trigger type.
Edge, Window, Hysteresis,
Video, Digital, Immediate,
and Software
CH 0, CH 1, TRIG,
PXI_Trig<0..6>, PFI<0..1>,
PXIStarTrigger, Software,
and RTSI<0..6>