Agilent (Keysight) 11974A Preselected Millimeter Mixer, 26.5 GHz to 40 GHz


The Agilent 11974A mixer is preselected from 26.5 to 40 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 11974A Series preselected millimeter mixers extend the frequency range of the Agilent E4440A/46A/48A PSA Series high-performance spectrum analyzers, the Agilent E4407B ESA E Series portable spectrum analyzer, Agilent 8560E/EC Series portable spectrum analyzers, the Agilent 8566B spectrum analyzer, and the Agilent 70000 Series modular spectrum analyzers.


  • 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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