Table Of Contents

IviRFSigGen Configure AM [AM] (G Dataflow)

Last Modified: September 7, 2018

Configures the modulation source, scaling, and depth for the signal generator's amplitude modulation.

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instrument handle

The instrument handle that you obtain from the IviRFSigGen Initialize Node or IviRFSigGen 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

Specifies the source of the signal that is used as the modulating signal. If more than one source is specified, the voltages of all sources (internal and external) are summed. Multiple source names are separated by commas. The driver uses this value to set the IviRFSigGen>>Analog Modulation>>AM>>AM Source property.

Interchangeability

Default: ""

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scaling

Specifies linear or logarithmic attenuation for amplitude modulation. The unit of the IviRFSigGen>>Analog Modulation>>AM>>AM Depth property is changed with this setting. The driver uses this value to set the IviRFSigGen>>Analog Modulation>>AM>>AM Scaling property.

Defined Values

IVIRFSIGGEN_VAL_AM_SCALING_LINEAR

IVIRFSIGGEN_VAL_AM_SCALING_LOGARITHMIC

Default: IVIRFSIGGEN_VAL_AM_SCALING_LINEAR

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depth

Specifies the extent of modulation the signal generator applies to the RF-signal (carrier waveform) with the modulating signal as a result of summing all sources, internal and external. The driver uses this value to set the IviRFSigGen>>Analog Modulation>>AM>>AM Depth property. Units: If the IviRFSigGen>>Analog Modulation>>AM>>AM Scaling property is set to Linear, then the units are percent (%). If the IviRFSigGen>>Analog Modulation>>AM>>AM Scaling property is set to logarithmic, then the units are dBm.

Default: 0.0

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instrument handle out

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

Default: 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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