National Instruments NI PCI-5114 用户手册

Sources

Internal, Onboard Clock (internal VCXO)*

External, CLK IN (front panel SMB connector)

*

 

Internal Sample 

Clock is locked to the 
Reference Clock or 
derived from the 
onboard VCXO

Sample Rate 
Range

Real-Time Sampling

(Single Shot)

Random Interleaved 

Sampling (RIS)

*

 

Divide by n 

decimation used 
for all rates less than 
250 MS/s

For more information 
about Sample Clock 
and decimation, refer 
to the NI High-Speed 
Digitizers Help.

3.815 kS/s to 250MS/s*

250 MS/s to 5 GS/s in 
increments of 250 MS/s

Timebase 
Frequency

250 MHz 

When not using 
External Sample 
Clock

Timebase 
Accuracy

Not Phase-Locked to 

Reference Clock

Phase-Locked to 
Reference Clock

—

±25 ppm

Equal to the Reference 
Clock accuracy

Sample Clock 
Delay Range

±1 Sample Clock period

—

Sample Clock 
Delay Resolution

≤20 ps

—