Agilent/Keysight 11970U Waveguide Harmonic Mixer, 40 to 60 GHz


The Agilent 11970U waveguide mixer is a general-purpose harmonic mixer employing a dual-diode design to achieve flat frequency response and low conversion loss. These are achieved without external dc bias or tuning stubs. Manual operation and computer-controlled hardware operation are simplified because mixer bias and tuning adjustment are not required.

The 11970U extends the frequency range of the Agilent N9030A PXA high-performance signal analyzer to the U-band (40 to 60 GHz). It is also fully compatible with other Agilent spectrum analyzers including: the E4440A/46A/48A PSA (with Option AYZ), the E4407B ESA-E (with Option AYZ), the 856xEC, the 8566B (with a preamplifier), and the 7000 modular analyzer (with the 70907A/B external mixer interface module).

An external diplexer is required to connect the 11970U with the N9030A PXA (with Option EXM). The recommended diplexer can be purchased from Agilent as model number N9029AE13 or from OML, Inc as model number DPL.313B.


  • Flat frequency response
  • Low conversion loss
  • No bias or tuning adjustments
  • 100 mW safe input level


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