Flap attenuator: Difference between revisions

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Adding short description: "Waveguide component"
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{{Short description|Waveguide component}}
[[File:Flap attenuator- wiki.png|thumb|Schematic of a flap-type waveguide attenuator:<br />1)&nbsp;resistive cord, 2)&nbsp;slot in waveguide, 3)&nbsp;adjusting knob, 4)&nbsp;dial, 5)&nbsp;reduction gear&nbsp;4:1]]