Agilent/Keysight 11974U

Preselected Millimeter Mixer, 40 to 60 GHz


The Agilent 11974U mixer is preselected from 40 to 60 GHz to eliminate the need for signal identification. Preselection reduces mixer overload from broadband signals and reduces the interaction of local oscillator harmonics with the device under test.

Agilent 11974 Series preselected millimeter mixers extend the frequency range of the Agilent E4440A/46A/48A PSA Series high-peformance spectrum analyzers, the Agilent E4407B ESA-E Series portable spectrum analyzer, Agilent 8560 E-Series portable spectrum analyzers, the Agilent 8566B spectrum analyzer, and the Agilent 70000 series modular spectrum analyzers.

The 11974U is not compatible with the N9030A PXA signal analyzer.


  • Preselection eliminates the need for signal identification and improves dynamic range
  • Supplied with calibration data
  • No bias required
  • +25 dBm safe input level
  • Optional input isolator improves amplitude accuracy


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