Specifies the Reference Clock rate, when the Frequency Reference Source property is set to ClkIn or RefIn. This value is expressed in Hz.

You do not need to use a selector string if you want to configure this property for all signal instances. Specify the signal name in the selector string if you want to configure or read that signal instance. Refer to the Selector Strings topic for information about the string syntax.

The default value is 10 MHz.

Valid values
PXIe-5644/5645/5646, PXIe-5663/5663E, PXIe-5820/5830/5831/5832/5840/5841/5842 10 MHz
PXIe-5665/5668 5 MHz to 100 MHz (inclusive), in increments of 1 MHz
PXIe-5860 10 MHz, 100 MHz

Supported devices: PXIe-5644/5645/5646, PXIe-5663/5663E/5665/5668, PXIe-5820/5830/5831/5832/5840/5841/5842/5860

Remarks

The following table lists the characteristics of this property.

Short Name Freq Ref Frequency (Hz)
Data type cdbl.png
Permissions Read/Write
High-level VIs RFmxInstr Configure Frequency Reference
Resettable Yes