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|model=WM490 | |model=WM490 | ||
|class=Accessory | |class=Accessory | ||
|summary=Waveguide | |summary=Waveguide mixer | ||
|image=Tek_WM490.jpg | |image=Tek_WM490.jpg | ||
|caption=Tektronix WM490 | |caption=Tektronix WM490 | ||
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|discontinued=1990 | |discontinued=1990 | ||
|manuals= | |manuals= | ||
* [[Media:062-4566-00.pdf|High Performance Waveguide Mixers for the 492 and 7L18]] | * [[Media:062-4566-00.pdf|High Performance Waveguide Mixers for the 492 and 7L18]] | ||
* [[Media: 070-3731-01.pdf | 070-3731-01 WM490 Instruction Manual]] (OCR) | * [[Media: 070-3731-01.pdf | 070-3731-01 WM490 Instruction Manual]] (OCR) | ||
* [[Media:Tek_WM490_Catalog_Spec_1982.pdf| Tektronix WM490 Introduction Spec]] | * [[Media:Tek_WM490_Catalog_Spec_1982.pdf| Tektronix WM490 Introduction Spec]] |