Appendix A Specifications
NI 7831R User Manual A-6 ni.com
Phase locked to PXI 10 MHz
Clock(NI PXI-7831R only)....................Adds 350 ps jitter, 300 ps skew
Additional frequency dependent jitter
40 MHz............................................None
80 MHz............................................400 ps
120 MHz..........................................720 ps
160 MHz..........................................710 ps
200 MHz..........................................700 ps
Calibration
Recommended warm-up time.................15 minutes
Calibration interval.................................1 year
Onboard calibration reference
DC level...........................................5.000 V (±3.5mV)
(actualvalue stored
in Flash memory)
Temperature coefficient...................±5ppm/°C m ax
Long-term stability..........................±20 ppm/
Note Refer to Calibration Certificates at ni.com/calibration to generate a
calibration certificate for the NI783 1R.
Bus Interface
PXI (NI PXI-7831R only)...................... Master, slave
PCI (NI PCI-7831R only).......................Master, slave
Power Requirement
+5 VDC (±5%).......................................450 mA (typ), 700 mA (max)
(doesn ot include current drawn
from the +5 V line on the
I/O connectors)
+3.3 VDC (±5%)....................................335 mA (typ), 730 mA (max)
(doesn ot include current sourced
by the digital outputs. To
calculate the total current sourced
1,000 h