Specifies whether the mechanical attenuator is enabled. Set this property to Enabled to allow NI-RFSA to use the mechanical attenuator.

Disabling this attenuator can improve device performance. Refer to PXIe-5663/5663E RF Attenuation and Signal Levels for more information about the attenuators.

Default Value: Enabled

Supported Devices: PXIe-5601 (external digitizer mode), PXIe-5663/5663E

Remarks

The following table lists the characteristics of this property.

Short Name Mechanical Attenuator Enabled
Data type ci32.png
Permissions Read/Write
High-level VIs N/A
Channel-based No
Resettable Yes
Disabled 1900

The property is disabled.
Enabled 1901

The property is enabled.