Appendix A
Specifications
©
National Instruments Corporation
A-7
10 MHz System Reference Clock (PXI_CLK10)
Maximum clock skew
between slots .......................................... 250 ps
Built-in 10 MHz clock
Accuracy ......................................... ±25 ppm (guaranteed over the
operating temperature range)
Maximum jitter ............................... 5 ps RMS in 10 Hz to 1 MHz
range
External clock sources
Connectors ...................................... Slot 2 J2 (pin D17; refer to
Table B-4,
Pinout for the Star Trigger Slot
Input frequency ............................... 10 MHz ±100 ppm or better
Input amplitude
Slot 2........................................ 5 V or 3.3 V, 10 MHz TTL signal
Maximum jitter introduced
by backplane circuitry..................... 1 ps RMS in 10 Hz to 1 MHz
range
Mechanical
Overall dimensions ................................ Refer to Figure A-1 through
Figure A-3 for the physical
dimensions of the PXI-1050
chassis
Weight .................................................... 13 kg (29 lb)
