WM490

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.

• Spectrum Analysis Using Waveguide Mixers (PDF)

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  Specs of WM490 Mixers with 494