Table Of Contents

IviUpconverter Configure ALC [ALC] (G Dataflow)

Version:
    Last Modified: October 24, 2017

    Configures the automatic level control (ALC) of the upconverter's RF output.

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    instrument handle

    The instrument handle that you obtain from the IviUpconverter Initialize or IviUpconverter Initialize With Options Node. The handle identifies a particular instrument session.

    Default: None

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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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    source

    Pass the source of the controlling voltage for the Automatic Level Control.

    The RF level at the sensor point is held constant. The driver uses this value to set the IviUpconverter ALC Source [ALC] property. Valid Values:

    • IVIUPCONVERTER_VAL_ALC_SOURCE_INTERNAL - The ALC is controlled by an internal measurement source
    • IVIUPCONVERTER_VAL_ALC_SOURCE_EXTERNAL - The ALC is controlled by an external voltage

    Default Value: IVIUPCONVERTER_VAL_ALC_SOURCE_INTERNAL

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    instrument handle out

    The instrument handle that you obtain from the IviUpconverter Initialize or IviUpconverter Initialize With Options VI. The handle identifies a particular instrument session. Default Value: None

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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


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