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Write Arbitrary Waveform (I-Q Arrays SGL) (G Dataflow)

Version:
    Last Modified: December 19, 2018

    Writes an arbitrary waveform to the NI-RFSG device.

    This node accepts the I and Q vectors of a complex baseband signal containing singles.

    When streaming is enabled, you can call this node when the NI-RFSG device is in the Generation state.

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    session in

    Instrument session obtained from Initialize With Options .

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    error in

    Error conditions that occur before this node runs.

    The node responds to this input according to standard error behavior.

    Standard Error Behavior

    Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

    error in does not contain an error error in contains an error
    If no error occurred before the node runs, the node begins execution normally.

    If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

    If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

    Default: No error

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    I data

    In-phase (I) component of the complex baseband signal.

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    Q data

    Quadrature-phase (Q) component of the complex baseband signal.

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    name

    Name used to store the waveform. This string is case-insensitive and alphanumeric, and it cannot use reserved words.

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    more data pending?

    Boolean value that indicates whether the data block contains the end of the waveform.

    True Allows the data to be appended to the waveform later.
    False This data block contains the end of the waveform.

    Splitting the waveform into multiple data blocks can reduce the memory requirements of the write operation. You can append data to a previously written waveform by using the saved waveform name.

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    Note

    This input is always ignored when using the PXIe-5644/5645/5646/5673E/5820/5840. To write data in blocks on these models, you must allocate the waveform before writing it.

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    session out

    Reference to your instrument session passed to the next node.

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    error out

    Error information.

    The node produces this output according to standard error behavior.

    Standard Error Behavior

    Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

    error in does not contain an error error in contains an error
    If no error occurred before the node runs, the node begins execution normally.

    If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

    If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: Not supported

    Web Server: Not supported in VIs that run in a web application

    Hardware Support:

    This node supports the following hardware:

    • PXIe-5644/5645/5646
    • PXIe-5673E
    • PXIe-5820/5840


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