Backplane, 10 mhz system reference clock (10 mhz ref), Mechanical – National Instruments PXI NI PXI-1052 User Manual
Page 46
Appendix A
Specifications
A-6
ni.com
Backplane
Size .........................................................3U-sized; one system slot
(with three system expansion
slots) and 3 peripheral slots.
Compliant with IEEE 1101.10
mechanical packaging.
PXI Hardware Specification,
Revision 2.1 compliant.
Accepts both PXI and
CompactPCI (PICMG 2.0 R 3.0)
3U modules.
V(I/O)
1
....................................................+5 V
Backplane bare-board material ...............UL 94 V-0 recognized
Backplane connectors .............................Conforms to IEC 917 and
IEC 1076-4-101, and are
UL 94 V-0 rated
10 MHz System Reference Clock (10 MHz REF)
Maximum clock skew
between slots...........................................500 ps
Built-in 10 MHz clock
Accuracy..........................................±100 ppm (guaranteed over the
operating temperature range)
Maximum jitter................................15 ps RMS in 10 Hz to 1 MHz
range
Mechanical
Overall dimensions (standard chassis)
Height
× Width × Depth ..................177 mm × 438.2 mm × 452.9 mm
(6.97 in.)
× 17.25 in. × 17.83 in.)
Note
14.5 mm (0.57 in.) is added to height when feet are installed. When tilted with front
feet extended on table top, height is increased approximately 52.8 mm (2.08 in.) in front
and 14.8 mm (0.583 in.) in rear.
1
V(I/O) is connected to the +5 V DC power plane, so the same specs apply to V(I/O) and +5 V.