• NIRFSA_ATTR_SERIAL_NUMBER
• NIRFSA_ATTR_MODULE_REVISION
• NIRFSA_ATTR_DEVICE_TEMPERATURE
• NIRFSA_ATTR_LO_TEMPERATURE
• NIRFSA_ATTR_DIGITIZER_TEMPERATURE
• NIRFSA_ATTR_FPGA_TEMPERATURE
• NIRFSA_ATTR_RF_CONDITIONING_TEMPERATURE
• NIRFSA_ATTR_IF_CONDITIONING_TEMPERATURE
• NIRFSA_ATTR_TEMPERATURE_READ_INTERVAL
• NIRFSA_ATTR_MEMORY_SIZE
• NIRFSA_ATTR_RF_PREAMP_PRESENT
• NIRFSA_ATTR_RF_PRESELECTOR_PRESENT
• NIRFSA_ATTR_FPGA_BITFILE_PATH
• NIRFSA_ATTR_FPGA_TARGET_NAME
• NIRFSA_ATTR_MODULE_POWER_CONSUMPTION

Data type	Access	High Level Functions
ViString	RO	None

Returns the serial number of the RF downconverter module.

	Note  For the PXIe-5644/5645/5646 and PXIe-5820/5840/5841, this attribute returns the serial number of the VST module. For the PXIe-5830/5831/5832, this attribute returns the serial number of the PXIe-3621/3622.
Default Value: N/A

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-5693/5694/5698, PXIe-5820/5830/5831/5832/5840/5841

Data type	Access	High Level Functions
ViString	RO	None

Returns the revision of the RF downconverter module.

	Note  For the PXIe-5644/5645/5646 and PXIe-5820/5830/5831/5840/5841, this attribute returns the revision of the VST module. For the PXIe-5830/5831/5832, this attribute returns the revision of the PXIe-3621/3622
Default Value: N/A

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-5693/5694/5698, PXIe-5820/5830/5831/5832/5840/5841

Data type	Access	High Level Functions
ViReal64	RO	None

Returns the current temperature, in degrees Celsius, of the module.

PXIe-5644/5645/5646, PXIe-5820/5840/5841—If you query this attribute during RF list mode, list steps may take longer to complete during list execution.

PXIe-5830/5831/5832—To use this attribute, you must first set the channelName parameter of the niRFSA_SetAttributeViReal64 function to using the appropriate string for your instrument configuration. Setting the niRFSA_SetAttributeViReal64 attribute is not required for the PXIe-3621/3622. Refer to the following table to determine which strings are valid for your configuration.

Hardware Module	TRX Port Type	Active Channel String
PXIe-3621/3622	—	if or "" (empty string)
PXIe-5820	—	fpga
First connected mmRH-5582	DIRECT TRX PORTS Only	rf0
	SWITCHED TRX PORTS [0-7]	rf0switch0
	SWITCHED TRX PORTS [0-7]	rf0switch1
Second connected mmRH-5582	DIRECT TRX PORTS Only	rf1
	SWITCHED TRX PORTS [0-7]	rf1switch0
	SWITCHED TRX PORTS [0-7]	rf1switch1
Units: degrees C

Default Value: N/A

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-5693/5694/5698, PXIe-5820/5830/5831/5832/5840/5841

Data type	Access	High Level Functions
ViReal64	RO	None

Returns the current temperature, in degrees Celsius, of the LO module.

PXI-5600, PXIe-5601/5603/5605/5606 (external digitizer mode) PXI-5661, PXIe-5663/5663E/5665/5667/5668—This attribute is not supported if you are using an external LO.

PXIe-5840/5841—If you query this attribute during RF list mode, list steps may take longer to complete during list execution.

Default Value: N/A

Supported Devices: PXI-5600, PXIe-5601/5603/5605/5606 (external digitizer mode) PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5840/5841

Data type	Access	High Level Functions
ViReal64	RO	None

Returns the current temperature, in degrees Celsius, of the digitizer module.

PXIe-5820/5840/5841—If you query this attribute during RF list mode, list steps may take longer to complete during list execution.

Default Value: N/A

Supported Devices: PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5820/5840/5841

Data type	Access	High Level Functions
ViReal64	RO	None

Returns the current temperature, in degrees Celsius, of the FPGA.

	Note  If you query this attribute during RF list mode, list steps may take longer to complete during list execution.
Units: degrees C

Default Value: N/A

Supported Devices: PXIe-5820/5830/5831/5832/5840/5841

Data type	Access	High Level Functions
ViReal64	RO	None

Returns the current temperature, in degrees Celsius, of the RF conditioning module associated with the NI-RFSA device.

Default Value: N/A

Supported Devices: PXIe-5667

Data type	Access	High Level Functions
ViReal64	RO	None

Returns the current temperature, in degrees Celsius, of the IF conditioning module associated with the NI-RFSA device.

Default Value: N/A

Supported Devices: PXIe-5667

Data type	Access	High Level Functions
ViReal64	R/W	None

Indicates the minimum time between temperature sensor readings in seconds. When you call the niRFSA_ReadPowerSpectrumF64 function, the niRFSA_ReadIQSingleRecordComplexF64 function, or the niRFSA_Initiate function, NI-RFSA checks whether at least the amount of time specified by this attribute has elapsed before reading the hardware temperature.

|!Note function or read the NIRFSA_ATTR_DOWNCONVERTER_GAIN attribute.| | :- | :- | Default Value: 30 seconds

Supported Devices: PXI-5600, PXIe-5601/5603/5605/5606 (external digitizer mode), PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5693/5694/5698, PXIe-5820/5830/5831/5832/5840/5841

Data type	Access	High Level Functions
ViInt64	RO	None

Returns the digitizer onboard memory size, in bytes.

Default Value: N/A

Supported Devices: PXIe-5644/5645/5646, PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5820/5830/5831/5832/5840/5841

Data type	Access	High Level Functions
ViBoolean	RO	None

Returns whether an RF preamplifier is available on the RF downconverter module.

Defined Values:

VI_TRUE	The device has an enabled RF preamplifier available.
VI_FALSE	The device has no RF preamplifier available.
Default Value: N/A

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-5820/5830/5831/5832/5840/5841

Data type	Access	High Level Functions
ViBoolean	RO	None

Returns whether a preselector is available on the RF downconverter module.

Defined Values:

VI_TRUE	A preselector is available on the downconverter.
VI_FALSE	No preselector is available on the downconverter.
Default Value: N/A

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-5820/5840/5841

Data type	Access	Coercion	High Level Functions
ViString	RO	None	None

Returns a string containing the path to the location of the current NI-RFSA instrument driver FPGA extensions bitfile, a .lvbitx file, that is programmed on the device. You can specify the bitfile location using the Driver Setup string in the optionString parameter of the niRFSA_InitWithOptions function.

NI-RFSA instrument driver FPGA extensions enable you to use pre-compiled FPGA bitfiles to customize the behavior of the device FPGA while maintaining the functionality of the NI-RFSA instrument driver.

Refer to NI-RFSA Instrument Driver FPGA Extensions for more information about using NI-RFSA instrument driver FPGA extensions for NI devices.

Supported Devices: PXIe-5644/5645/5646, PXIe-5668, PXIe-5820/5830/5831/5832/5840/5841

Data type	Access	Coercion	High Level Functions
ViString	RO	None	None

Returns a string containing the name of the FPGA target being used. This name can be used with the RIO open session to open a reference to the FPGA.

This attribute is channel dependent if multiple targets are supported.

Supported Devices: PXIe-5668, PXIe-5820/5830/5831/5832/5840/5841

Data type	Access	High Level Functions
ViReal64	RO	None

Returns the module power consumption.

	Note  If you query this attribute during RF list mode, list steps may take longer to complete during list execution.
Units: watts

Default Value: N/A

Supported Devices: PXIe-5820/5830/5831/5832/5840/5841