PXI-5661 Reference Clock

A Reference Clock ensures that the PXI-5661 is operating from a common timebase.

The PXI-5600 RF signal downconverter has a highly accurate and stable onboard 10 MHz oven-controlled crystal oscillator (OCXO) timebase. When the PXI-5661 is installed in slot 2 of a PXI chassis, this reference can be used to drive the 10 MHz PXI backplane clock and serve as the master reference for the PXI-5661 system.

You can also lock the PXI-5661 to an external Reference Clock. To do so, connect the external clock to the REF IN connector on the PXI-5600 module front panel.

Note Refer to the getting started guide for more information about how to connect to the PXI-5600 front panel.