National Instruments NI PCI-5114 Manual De Usuario
NI PXI/PCI-5114 Specifications
12
ni.com
TClk Specifications
National Instruments TClk synchronization method and the NI-TClk driver
are used to align the sample clocks on any number of SMC-based modules
in a chassis. For more information about TClk synchronization, refer to the
NI-TClk Synchronization Help, which is located within the NI High-Speed
Digitizers Help.
are used to align the sample clocks on any number of SMC-based modules
in a chassis. For more information about TClk synchronization, refer to the
NI-TClk Synchronization Help, which is located within the NI High-Speed
Digitizers Help.
•
Specifications are valid for any number of modules installed in one
NI PXI-1042 chassis.
NI PXI-1042 chassis.
•
All parameters set to identical values for each SMC-based module.
•
Sample Clock set to
250 MS/s and all filters are disabled.
•
For other configurations, including multichassis systems, contact
NI Technical Support at
NI Technical Support at
ni.com/support
.
Note
Although you can use NI-TClk to synchronize nonidentical modules, these
specifications apply only to synchronizing identical modules.
Specification
Value
Comments
Intermodule SMC Synchronization Using NI-TClk for Identical Modules (Typical)
Skew
500 ps
Caused by clock and analog
path delay differences
path delay differences
No manual adjustment
performed
performed
Skew After Manual
Adjustment
Adjustment
<20 ps
For information about
manual adjustment, refer
to the Synchronization
Repeatability Optimization
topic in the NI-TClk
Synchronization Help.
For additional help with the
adjustment process, contact
NI Technical Support at
manual adjustment, refer
to the Synchronization
Repeatability Optimization
topic in the NI-TClk
Synchronization Help.
For additional help with the
adjustment process, contact
NI Technical Support at
ni.com/support
.
Sample Clock
Adjustment
Resolution
Adjustment
Resolution
<20 ps
—