
Appendix A Specifications
NI 5911 User Manual A-6 © National Instruments Corporation
Timebase SystemNumber of timebases..............................2, RTSI clock configured as a
10MH z clock output (Master), or
RTSI clock configured as a
10MHz reference clock input
(Slave).
Clock accuracy (as Master)....................10 MHz ± 50 ppm
Clock input tolerance (as Slave).............10 MHz ± 100 ppm
Clock jitter..............................................<75 pSrms, independent of
reference clock source
Clock compatibility ...............................TTL for both input and output
Interpolator resolution
(repetitive only)......................................1 ns
Sampling clock frequencies
Oscilloscope mode...........................100MHz/n, where 1<n<232
Flexible Resolution mode................100 MHz/n, where n = 8, 20, 50,
100, 200, 500, 1000, 2000, 5000,
10000
Synchronization......................................Via RTSI trigger lines
Phase difference......................................Between multiple instruments
<5 ns, at any input frequency
<100 MHz from input connector
to input connector
Triggering SystemsModes.....................................................Above threshold, below
threshold, between thresholds,
outside thresholds
Source.....................................................CH0, RTSI<0..6>, PFI 1,2
Slope.......................................................Rising/falling
CBIHWum.book Page 6 Thursday, October 29, 1998 1:56 PM