Use the niUSRP properties to access advanced configuration options for NI-USRP driver applications.

Active Channel
Specifies the channel name used to access all subsequent properties in this instance of the property node. If the property you want to use is channel-based, you must first select this property and then pass the name of the specific channel. If the property you specify is not channel-based, or you want to set the property on all channels, pass an empty string or omit setting this property.
Clocking and Synchronization:Start Trigger Type
Specifies the type of start trigger, which controls how the device generates or acquires signals. Use this property to choose whether to generate or acquire data immediately or to synchronize generations and acquisitions to the timestamp specified by the Start Trigger Time properties.
Clocking and Synchronization:Start Trigger Time (whole seconds)
Specifies the whole seconds part of the trigger start time.
Clocking and Synchronization:Start Trigger Time (fractional seconds)
Specifies the fractional seconds part of the trigger start time.
Configuration:Enabled Channels
Specifies the list of channels enabled for acquisition/generation for this session.
Clocking and Synchronization:Reference Frequency Source
Specifies the source of the signal used as a frequency reference for the local oscillator (LO).
Clocking and Synchronization:Exported Reference Frequency Output Terminal
Specifies the output terminal of the exported reference frequency signal.
Clocking and Synchronization:Timebase Clock Source
Specifies the source of the signal used as the timebase clock if you set the Start Trigger Type property to Time.
Clocking and Synchronization:Exported Timebase Clock Output Terminal
Specifies the output terminal of the exported timebase clock (PPS) signal.
Clocking and Synchronization:Timebase Clock Polarity
Specifies the polarity of the signal used as the timebase clock if you set the Start Trigger Type property to Time.
Clocking and Synchronization:Local Oscillator:LO Source
Specifies the LO source for the selected channel.
Clocking and Synchronization:Local Oscillator:LO Export Enabled
Specifies whether or not to export the LO of the selected channel.
Clocking and Synchronization:Local Oscillator:LO IF1 Frequency
Specifies the frequency, in Hz, of the IF1 LO.
Clocking and Synchronization:Local Oscillator:LO IF2 Frequency
Specifies the frequency, in Hz, of the IF2 LO.
Clocking and Synchronization:Local Oscillator:Coerced LO IF1 Frequency
Reads back the frequency, in Hz, of the IF1 LO.
Clocking and Synchronization:Local Oscillator:Coerced LO IF2 Frequency
Reads back the frequency, in Hz, of the IF2 LO.
Configuration:Number of Samples Is Finite
Specifies whether the device acquires a finite number of samples or acquires samples continuously.
Configuration:Number of Samples
Specifies the finite number of samples to acquire. This value is ignored if you set the Number of Samples is Finite property to FALSE.
Configuration:IQ Rate
Specifies the sample rate of the baseband I/Q data for transmit (Tx) or receive (Rx) signals in samples per second (S/s).
Configuration:Carrier Frequency
Specifies the carrier frequency, in Hz, of the RF signal.
Configuration:Bandwidth
Specifies the bandwidth, in Hz, of the analog filter used in the RF front-end.
Configuration:Gain
Specifies the gain, in dB, applied to the RF signal for receive (Rx) and transmit (Tx) signals.
Configuration:Active Antenna
Specifies the antenna port to use for this channel.
Configuration:Power Reference
Specifies the power, in dBm, of a full-scale RF signal for receive (Rx) and transmit (Tx) signals.
Clocking and Synchronization:Local Oscillator:LO Distribution
Specifies the LO distribution for the selected channel. Only supported for N321
Configuration:Number of Channels in Session
Returns the number of separate transmit (Tx) or receive (Rx) channels contained in the current driver session.
Configuration:Trig I/O Mode
Specifies the mode of the Trig In/Out terminal.
Configuration:Advanced:Host Data Type
Specifies the data type to fetch from or write to the driver.
Configuration:Advanced:Sample Width
Specifies the width, in bits, of the binary data sample transferred across the bus between the host and the device.
Configuration:Advanced:Expected Peak
Specifies the expected peak signal, as a fraction of the full-scale signal to acquire or generate. 1.0 = 100%, 0.5 = 50%. NI-USRP uses this value to scale 8-bit data transferred over the bus.
Configuration:Advanced:LO Frequency
Specifies the local oscillator (LO) frequency, in Hz.
Configuration:Advanced:Coerced LO Frequency
Reads back the coerced local oscillator (LO) frequency, in Hz.
Configuration:Advanced:ADC Self Calibration Mode
Specifies the operating mode for the ADC self-calibration blocks.
Configuration:Advanced:Warning Policy
Specifies whether NI-USRP returns an error, returns a warning, or ignores overflow, underflow, or timeout conditions during data transfer.
Meta Information:Driver Identification:Current Driver Version
Returns a string that contains the current version information for the NI-USRP driver. For example, NI-USRP can return 1.3.0.
Meta Information:Instrument Identification:Model
Returns a string that contains the model number or name of the device that you are currently using.
Meta Information:Instrument Identification:Current Firmware Version
Returns a string containing the current version of the firmware for the device you are currently using.
Meta Information:Instrument Identification:Oldest Compatible Firmware Version
Returns a string containing the oldest compatible version of the firmware for the device you are currently using.
Meta Information:Instrument Identification:Current FPGA Version
Returns a string containing the current version of the FPGA image for the device you are currently using.
Meta Information:Instrument Identification:Oldest Compatible FPGA Version
Returns a string containing the oldest compatible version of the FPGA image for the device you are currently using.
Clocking and Synchronization:GPS Disciplined Clock:Has GPS Disciplined Clock?
Returns TRUE if the device has a GPS-disciplined clock. This property allows the device to use a GPS clock reference and GPS timestamps.
Clocking and Synchronization:GPS Disciplined Clock:GPS Time (seconds)
Returns the time that the GPS reports. Time is measured in seconds since 00:00:00 January 1, 1970 (UTC).
Clocking and Synchronization:GPS Disciplined Clock:GPS Lock Status
Returns True if the GPS has a satellite fix.
Clocking and Synchronization:GPS Disciplined Clock:GPS Sentence GGA
Returns the GPS fix data.
Clocking and Synchronization:GPS Disciplined Clock:GPS Sentence RMC
Returns the recommended minimum specific GPS and transit data.
Clocking and Synchronization:Data Clock Rate
Specifies the data rate of samples coming from the analog-to-digital converters (ADCs) to the DSP or going to the digital-to-analog converters (DACs) from the DSP. Only the USRP-2900/2901 supports changing the data clock rate.

NI-USRP VI Reference

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