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Appendix A Specifications
NI 5911 User Manual A-6 ni.com
Clock input tolerance (as slave)..............10 MHz ±100 ppm
Clock jitter..............................................<75 pS
rms,
independent of
reference clock source
Clock compatibility ...............................TTL for both input and output
Interpolator resolution
(repetitive only) ......................................1 ns
Sampling clock frequencies
Oscilloscope mode...........................100 MHz/n,where1<n<2
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Flexible resolution mode.................100 MHz/n,wheren = 8; 20; 50;
100; 200; 500; 1,000; 2,000;
5,000; 10,000
Reference clock sources .........................PFI lines, RTSI clock, or onboard
Phase difference between
multiple instruments ...............................<5 ns, at any input frequency
<100 MHz, from input connector
to input connector
Triggering Systems
Modes .....................................................Above threshold, below
threshold, between thresholds,
outside thresholds
Source.....................................................CH0, RTSI<0..6>, PFI 1,2
Slope .......................................................Rising/falling
Hysteresis................................................Full-scale voltage/n,wheren is
between 1 and 170; full-scale
voltage on TRIG is fixed to ±5 V
(without external attenuation)
Coupling .................................................AC/DC on CH0, TRIG
Pretrigger depth ......................................1 to 16 million samples
Posttrigger depth.....................................1 to 16 million samples
Holdoff time ...........................................5 µs – 171.85 s in increments
of 40 ns