Configures the NI-RFSA device Reference Clock.

Supported Devices: PXI-5600, PXIe-5601/5603/5605/5606 (external digitizer mode), PXIe-5644/5645/5646, PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5694, PXIe-5820/5830/5831/5832/5840/5841/5842/5860

Related Topics

PXI-5661 Reference Clocking

PXIe-5663 Timing Configurations

PXIe-5665 Timing Configurations

PXIe-5667 Timing Configurations

PXIe-5668 Timing Configurations

PXIe-5830 Timing Configurations

PXIe-5831/5832 Timing Configurations


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Inputs/Outputs

  • civrn.png instrument handle —

    instrument handle identifies your instrument session. instrument handle is obtained from the niRFSA Initialize VI or the niRFSA Initialize With Options VI.

  • cstr.png clock source —

    clock source specifies the Reference Clock source.

    OnboardClock

    PXI-5661—Lock the NI-RFSA device to the PXI-5600 RF downconverter onboard clock.

    PXIe-5663/5663E—Lock the PXIe-5663/5663E to the PXI/PXIe-5652 LO source onboard clock. Connect the REF OUT2 connector (if it exists) on the PXI/PXIe-5652 to the CLK IN connector on the PXIe-5622. If the REF OUT2 connector does not exist, connect the REF IN/OUT connector on the PXI/PXIe-5652 to the CLK IN connector on the PXIe-5622.

    PXIe-5665—Lock the PXIe-5665 to the PXIe-5653 LO source onboard clock. Connect the 100 MHz REF OUT terminal on the PXIe-5653 to the CLK IN connector on the PXIe-5622.

    PXIe-5667—Lock the PXIe-5667 to the PXIe-5653 LO source onboard clock. Connect the 100 MHz REF OUT terminal on the PXIe-5653 to the CLK IN connector on the PXIe-5622, and connect the 10 MHZ REF OUT terminal on the PXIe-5653 to the REF/LO IN connector on the PXIe-5694.

    PXIe-5668—Lock the PXIe-5668 to the PXIe-5653 LO source onboard clock. Connect the LO2 OUT terminal on the PXIe-5606 to the CLK IN connector on the PXIe-5624.

    PXIe-5644/5645/5646, PXIe-5820/5840/5841—Lock the NI-RFSA device to its onboard clock.

    PXIe-5830/5831/5832—For the PXIe-5830, connect the PXIe-5820 REF IN connector to the PXIe-3621 REF OUT connector. For the PXIe-5831, connect the PXIe-5820 REF IN connector to the PXIe-3622 REF OUT connector. For the PXIe-5832, connect the PXIe-5820 REF IN connector to the PXIe-3623 REF OUT connector.

    PXIe-5831 with PXIe-5653—Connect the PXIe-5820 REF IN connector to the PXIe-3622 REF OUT connector. Connect the PXIe-5653 REF OUT (10 MHz) connector to the PXIe-3622 REF IN connector.

    PXIe-5832 with PXIe-5653—Connect the PXIe-5820 REF IN connector to the PXIe-3623 REF OUT connector. Connect the PXIe-5653 REF OUT (10 MHz) connector to the PXIe-3623 REF IN connector.

    PXIe-5841 with PXIe-5655—Lock to the PXIe-5655 onboard clock. Connect the REF OUT connector on the PXIe-5655 to the PXIe-5841 REF IN connector.

    PXIe-5842—Lock to the PXIe-5655 onboard clock. Cables between modules are required as shown in the Getting Started Guide for the instrument.

    PXIe-5860—Lock to the PXIe-5860 onboard clock.

    RefIn

    PXI-5661—Lock the NI-RFSA device to the signal at the external FREQ REF IN connector on the PXI-5600.

    PXIe-5663/5663E—Connect the external signal to the PXI/PXIe-5652 REF IN/OUT connector. Connect the REF OUT2 connector (if it exists) on the PXI/PXIe-5652 to the CLK IN connector on the PXIe-5622. On versions of the 5663/5663E that lack a REF OUT2 connector on the PXI/PXIe-5652, this configuration can only be used in external digitizer mode.

    PXIe-5665—Connect the external signal to the PXIe-5653 REF IN connector. Connect the 100 MHz REF OUT terminal on the PXIe-5653 to the CLK IN connector on the PXIe-5622. If your external clock signal frequency is set to a frequency other than 10 MHz, set the clock rate parameter according to the frequency of your external clock signal.

    PXIe-5667—Connect the external signal to the PXIe-5653 REF IN connector. Connect the 100 MHz REF OUT terminal on the PXIe-5653 to the CLK IN connector on the PXIe-5622, and connect the 10 MHZ REF OUT terminal on the PXIe-5653 to the REF/LO IN connector on the PXIe-5694. If your external clock signal frequency is set to a frequency other than 10 MHz, set the clock rate parameter according to the frequency of your external clock signal.

    PXIe-5668—Connect the external signal to the PXIe-5653 REF IN connector. Connect the LO2 OUT terminal on the PXIe-5606 to the CLK IN connector on the PXIe-5624. If your external clock signal frequency is set to a frequency other than 10 MHz, set the clock rate parameter according to the frequency of your external clock signal.

    PXIe-5694—Connect the Reference Clock signal to the REF/LO IN connector on the PXIe-5694 front panel.

    PXIe-5644/5645/5646, PXIe-5820/5830/5831/5832/5840/5841—Lock the NI-RFSA device to the signal at the external REF IN connector.

    PXIe-5830/5831/5832—For the PXIe-5830, connect the PXIe-5820 REF IN connector to the PXIe-3621 REF OUT connector. For the PXIe-5831, connect the PXIe-5820 REF IN connector to the PXIe-3622 REF OUT connector. For the PXIe-5832, connect the PXIe-5820 REF IN connector to the PXIe-3623 REF OUT connector. For the PXIe-5830, lock the external signal to the PXIe-3621 REF IN connector. For the PXIe-5831, lock the external signal to the PXIe-3622 REF IN connector. For the PXIe-5832, lock the external signal to the PXIe-3623 REF IN connector.

    PXIe-5831 with PXIe-5653—Connect the PXIe-5820 REF IN connector to the PXIe-3622 REF OUT connector. Connect the PXIe-5653 REF OUT (10 MHz) connector to the PXIe-3622 REF IN connector. Lock the external signal to the PXIe-5653 REF IN connector.

    PXIe-5832 with PXIe-5653—Connect the PXIe-5820 REF IN connector to the PXIe-3623 REF OUT connector. Connect the PXIe-5653 REF OUT (10 MHz) connector to the PXIe-3623 REF IN connector. Lock the external signal to the PXIe-5653 REF IN connector.

    PXIe-5841 with PXIe-5655—Lock to the signal at the REF IN connector on the associated PXIe-5655. Connect the PXIe-5655 REF OUT connector to the PXIe-5841 REF IN connector.

    PXIe-5842—Lock to the signal at the REF IN connector on the associated PXIe-5655. Cables between modules are required as shown in the Getting Started Guide for the instrument.

    PXIe-5860—Lock to the signal at the REF IN connector on the PXIe-5860.

    ClkIn

    PXIe-5663/5663E—Lock the PXIe-5663/5663E to an external 10 MHz signal. Connect the external signal to the CLK IN connector on the PXIe-5622, and connect the PXIe-5622 CLK OUT connector to the FREQ REF IN connector on the PXI/PXIe-5652.

    PXIe-5665—Lock the PXIe-5665 to an external 100 MHz signal. Connect the external signal to the CLK IN connector on the PXIe-5622, and connect the PXIe-5622 CLK OUT connector to the REF IN connector on the PXIe-5653. Set the clock rate parameter to 100 MHz.

    PXIe-5667—Lock the PXIe-5667 to an external 100 MHz signal. Connect the external signal to the CLK IN connector on the PXIe-5622, and connect the PXIe-5622 CLK OUT connector to the REF IN connector on the PXIe-5653. Connect the 10 MHZ REF OUT connector on the PXIe-5653 to the REF/LO IN connector on the PXIe-5694. Set the clock rate parameter to 100 MHz.

    PXIe-5668—Lock the PXIe-5668 to an external 10 MHz or 100 MHz signal. Connect the external signal to the CLK IN connector on the PXIe-5624, and connect the PXIe-5624 CLK OUT connector to the REF IN connector on the PXIe-5653. Set the clock rate parameter to 10 MHz or 100 MHz, as appropriate.

    PXIe-5644/5645/5646, PXI-5661, PXIe-5820/5830/5831/5832/5840/5840 with PXIe-5653/5841/5841 with PXIe-5655/5842/5860—This configuration does not apply.
    PXI_Clk

    PXI-5661—Lock the NI-RFSA device to the PXI backplane clock using the PXI-5600. You must connect the PXI 10 MHz connector to the REF IN connector on the PXI-5600 front panel to use this option.

    PXIe-5668—Lock the PXIe-5653 to the PXI backplane clock. Connect the PXIe-5606 LO2 Out connector to the CLK IN connector on the PXIe-5624.

    PXIe-5830/5831/5832/5841 with PXIe-5655/5842—Lock LO module to the PXI backplane clock. Cables between modules are required as shown in the Getting Started Guide for the instrument.

    PXIe-5644/5645/5646, PXIe-5663/5663E/5665/5667, PXIe-5694, PXIe-5820/5840/5841/5842/5860—Lock the NI-RFSA device to the PXI backplane clock.
    RefIn2

    PXIe-5644/5645/5646, PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5820/5830/5831/5832/5840/5841/5841 with PXIe-5655/5842/5860—This configuration does not apply.
    PXI_ClkMaster

    PXIe-5831 with PXIe-5653—NI-RFSA configures the PXIe-5653 to export the Reference clock and configures the PXIe-5820 and PXIe-3622 to use PXI_Clk as the Reference Clock source. Connect the PXIe-5653 REF OUT (10 MHz) connector to the PXI chassis REF IN connector.

    PXIe-5832 with PXIe-5653—NI-RFSA configures the PXIe-5653 to export the Reference clock and configures the PXIe-5820 and PXIe-3623 to use PXI_Clk as the Reference Clock source. Connect the PXIe-5653 REF OUT (10 MHz) connector to the PXI chassis REF IN connector.

    PXIe-5644/5645/5646, PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5820/5830/5831/5832/5840/5841/5841 with PXIe-5655/5842/5860—This configuration does not apply.
  • cdbl.png clock rate —

    clock rate specifies the Reference Clock rate, in hertz (Hz), of the signal present at the REF IN or CLK IN connector. This parameter is only valid when the clock source parameter is set to ClkIn, RefIn, or RefIn2. The default value is 10 MHz.

    For the PXIe-5644/5645/5646, PXIe-5601/5663, PXIe-5694, and the PXIe-5820/5830/5831/5832/5840/5841, 10 MHz is the only supported value.

    For the PXIe-5665/5667/5668, you can specify values between 5 MHz and 100 MHz, in increments of 1 MHz.

    For the PXIe-5841 with PXIe-5655, and the PXIe-5842, you can specify the following values: 10 MHz, 100 MHz, 270 MHz, and 3.84 MHz * y, where y is 4, 8, 16, 24, 25, or 32.

    For the PXIe-5860, you can specify the following values: 10 MHz, 100 MHz

  • cerrcodeclst.png error in —

    error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

  • iivrn.png instrument handle out —

    instrument handle out passes a reference to your instrument session to the next VI. instrument handle is obtained from the niRFSA Initialize VI or the niRFSA Initialize With Options VI and identifies a particular instrument session.

  • ierrcodeclst.png error out —

    error out contains error information. This output provides standard error out functionality.