Frequently Asked Questions

NI RF Signal Generators Help (NI-RFSG 18.1)


Edition Date: June 2018
Part Number: 371025V-01
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NI-RFSG 18.1 Help
NI-RFSG 18.2.1 Help
NI-RFSG 19.1 Help

  • How does my upconverter work? The block diagram for your upconverter provides detailed theory of operation information.
  • How do I connect signals to my device? The getting started guide provides detailed connection information for your device, but the front panel topics in this help file for each device provide detailed reference information.
  • Does my device support amplitude modulation (AM)? The PXIe-5654/5654 with PXIe-5696 supports the AM scheme. The PXI-5670/5671 and PXIe-5672/5673/5673E can support AM when you produce your own I/Q data. The Modulation Schemes topic for your RF signal generator provides detailed information about supported modulation schemes.
  • How can I obtain amplitude stability over long periods of generations? Call the niRFSG Perform Thermal Correction VI or niRFSG_PerformThermalCorrection function to correct for any signal drift due to temperature variation when generating the same signal for extended periods of time.
  • What is loop bandwidth? The phase-locked loop (PLL) bandwidth characterizes loop characteristics such as tuning speed, stability, and phase noise shaping. Refer to Phase-Locked Loop Bandwidth for more information about how different settings impact your application.
  • How can I create a script? Use the supported script instructions to create a generation script for your device. For examples of scripting applications, refer to Common Scripting Use Cases.

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