National Instruments NI PXIe-1075 100 MHz System Reference Clock: PXIe_CLK100 and PXIe_SYNC100, External 10 MHz Reference Out (BNC on rear panel of chassis)

Appendix A Specifications
© National Instruments Corporation A-9 NI PXIe-1075 User Manual
100 MHz System Reference Clock: PXIe_CLK100 and
PXIe_SYNC100
Maximum slot-to-slot skew ................... 100 ps
Accuracy ................................................ ±25 ppm max. (guaranteed over
the operating temperature range)
Maximum jitter ...................................... 3 ps RMS phase-jitter
(10 Hz–12 kHz range)
2 ps RMS phase-jitter
(12kHz–20MHz range)
Duty-factor for PXIe_CLK100 .............. 45%–55%
Absolute single-ended voltage swing
(When each line in the differential pair
has 50 W termination to 1.30 V
or Thévenin equivalent) ......................... 400–1000 mV
Note For other specifications refer to the PXI-5 PXI Express Hardware Specification.
External 10 MHz Reference Out (BNC on rear panel of
chassis)
Accuracy ................................................ ±25 ppm max. (guaranteed over
the operating temperature range)
Maximum jitter ...................................... 5 ps RMS phase-jitter
(10Hz–1MHz range)
Output amplitude.................................... 1 VPP ±20% square-wave
into 50 Ω
2 VPP unloaded
Output impedance .................................. 50 Ω ±5 Ω