National Instruments NI PXI/PCI-5114 Manuale Utente
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.
No manual adjustment
performed.
path delay differences.
No manual adjustment
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
—