For example: Agilent E4440A or Anritsu 68369
Audio Precision Analyzer
Analyzers, as test equipment, are versatile instruments used for measuring, analyzing, and characterizing various electrical, optical, or signal parameters, providing valuable insights into the performance and behavior of components, systems, and networks.
Audio Precision System One-11A
System One-11A System One Audio Analyzer
Manufacturer: Audio Precision