Spectrum Analyzer Basics

Download the 8 Virtual Signal Generators on the M9484C Application Note

The M9484C VXG generates up to eight virtual signals in real time per RF output using Direct Digital Synthesis (DDS). This application note covers independent frequency, power, phase, attenuation, and timing control, plus MIMO, beamforming, interference, coexistence, carrier aggregation, and EW applications. Configurations support up to 32 virtual signals across four RF channels.

  • Trace digital upconversion, per-signal processing, summation, and conversion.
  • Set frequency, power, phase, attenuation, and timing per signal.
  • Manage shared 3 GSa/s sampling and up to 2.5 GHz bandwidth.
  • Apply virtual signals to MIMO, interference, coexistence, carrier aggregation, and EW.
  • Scale to 32 virtual signals across four RF channels with global triggering.






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