NI PXI Express PXIe-1082, Руководство пользователя

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Appendix A Specifications
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 (10 Hz to 1 MHz range)
Output amplitude 1 V
PP
±20% square-wave into 50 Ω
2 V
PP
unloaded
Output impedance 50 Ω ±5 Ω
External Clock Source
Frequency 10 MHz ±100 PPM
Input amplitude
Rear panel BNC 200 mV
PP
to 5 V
PP
square-wave or sine-wave
System timing slot PXI_CLK10_IN 5 V or 3.3 V TTL signal
Rear panel BNC input impedance 50 Ω ±5 Ω
Maximum jitter introducedby backplane 1 ps RMS phase-jitter (10 Hz to1 MHz range)
PXIe_SYNC_CTRL
V
IH
2.0 to 5.5 V
V
IL
0 to 0.8 V
PXI Star Trigger
Maximum slot-to-slot skew 250 ps
Backplane characteristic impedance 65 Ω ±10%
Note
For PXI slot to PXI Star mapping refer to the
System Timing Slot
section of
Chapter 1,
Getting Started
.
For other specifications refer to the
PXI-1 Hardware Specification
.
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