WM490

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The Tektronix WM490 is a series of waveguide mixers for 490-series spectrum analyzers, e.g., the 492 or 494.

The mixers extend the frequency range of measurement up to as high as 325 GHz. Each mixer covers a separate frequency range, typically about two thirds of an octave.

  • WM490K - 18.8 to 26.5 GHz
  • WM490A - 26.5 to 40 GHz
  • WM490Q - 33 to 50 GHz
  • WM490U - 40 to 60 GHz
  • WM490V - 50 to 75 GHz
  • WM490E - 60 to 90 GHz
  • WM490W - 75 to 110 GHz
  • WM490F - 90 to 140 GHz
  • WM490D - 110 to 170 GHz
  • WM490G - 140 to 220 GHz
  • 119-1728-00 - 220 to 325 GHz

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