The Radar Target Generation Driver and API support using an external Local Oscillator (LO). Connect the VST instrument to an external LO.

Complete the following steps.
Note The PXIe-5831/5832 IF and mmWave configuration is not supported for external LO connections.
  1. Connect the external LO to the VST instrument, using the ports on listed in the following table.
    Table 21. VST-to-External LO Connections
    VST Instrument External LO Port
    Model Port
    PXIe-5830 LO2 IN port on the PXIe-3621 module RF Out
    PXIe-5831 (IF Only) LO2 IN port on the PXIe-3622 module RF Out
    PXIe-5832 (IF Only) LO2 IN port on the PXIe-3623 module RF Out
    PXIe-5841 RF OUT LO IN on the PXIe-5841 RF Out
    PXIe-5841 (with PXIe-5655) LO 0 IN port on the PXIe-5655 module

    LO 1 IN port on the PXIe-5655 module

    		 RF Out (use a splitter to connect to both VST ports)
    PXIe-5842 (VST Only) LO 0 IN port on the PXIe-5655 module

    LO 1 IN port on the PXIe-5655 module

    		 RF Out (use a splitter to connect to both VST ports)
    Figure 24. PXIe-5830 and External LO Connections


    Figure 25. PXIe-5831 (IF Only) and External LO Connections


    Figure 26. PXIe-5832 (IF Only) and External LO Connections


    Figure 27. PXIe-5841 and External LO Connections


    Figure 28. PXIe-5841 (with PXIe-5655) and External LO Connections


    Figure 29. PXIe-5842 and External LO Connections


  2. Connect the reference clock from the external LO module to the ports on the PXI Express Timing and Synchronization Module or PXI Express Chassis Timing and Synchronization upgrade panel, as listed in the following table.
    Table 22. External LO-to-Timing and Synchronization Connections
    External LO Port Timing and Synchronization Port
    Ref Out PXIe-1092/1095: 10 MHz REF IN

    PXIe-6674T: CLKIN
    Ref In PXIe-1092/1095: 10 MHz REF OUT

    PXIe-6674T: CLKOUT