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© National Instruments Corporation 13 NI PXI/PCI-5124 Specifications
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Sample Clock
Specification Value Comments
Sources NI PXI-5124 NI PCI-5124
*
Internal
Sample Clock is
locked to the
Reference Clock
or derived from
the onboard
VCXO
Internal, Onboard Clock
(internal VCXO)
*
External, CLK IN (front
panel SMB connector)
External,
PXI Star Trigger
(backplane connector)
Internal, Onboard Clock
(internal VCXO)
*
External, CLK IN (front
panel SMB connector)
Onboard Clock (Internal VCXO)
Sample Rate
Range
Real-Time Sampling
(Single Shot)
Random Interleaved
Sampling (RIS)
*
Divide by
n decimation
used for all rates
less than
200 MS/s
For more
information
about Sample
Clock and
decimation,
refer to the
NI High-Speed
Digitizers Help.
3.052 kS/s to 200 MS/s
*
400 MS/s to 4 GS/s in
multiples of 200 MS/s
Phase Noise
Density, Typical
<–100 dBc/Hz at 100 Hz
<–120dBc/Hz at 1kHz
<–130 dBc/Hz at 10 kHz
10 MHz input
signal