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2. Waveguide flange - Wikipedia

   en.wikipedia.org/wiki/Waveguide_flange

   For standard rectangular waveguide the second letter is A to E, where A and C are round flanges, B is square and D and E are rectangular. So for example UBR220 is a square plain cover flange for R220 waveguide (that is, for WG20, WR42), PDR84 is a rectangular gasket flange for R84 waveguide (WG15, WR112) and CAR70 is a round choke flange for ...

3. Magic tee - Wikipedia

   en.wikipedia.org/wiki/Magic_Tee

   A magic tee (or magic T or hybrid tee) is a hybrid or 3 dB coupler used in microwave systems. [1] It is an alternative to the rat-race coupler . In contrast to the rat-race, the three-dimensional structure of the magic tee makes it less readily constructed in planar technologies such as microstrip or stripline .

4. Waveguide (radio frequency) - Wikipedia

   en.wikipedia.org/wiki/Waveguide_(radio_frequency)

   In radio-frequency engineering and communications engineering, a waveguide is a hollow metal pipe used to carry radio waves. [1] This type of waveguide is used as a transmission line mostly at microwave frequencies, for such purposes as connecting microwave transmitters and receivers to their antennas, in equipment such as microwave ovens, radar sets, satellite communications, and microwave ...

5. Substrate-integrated waveguide - Wikipedia

   en.wikipedia.org/wiki/Substrate-integrated_waveguide

   [1] [2] The authors presented a platform for integrating all the components of a microwave circuit inside a single substrate, with a rectangular cross-section. Using a single substrate guarantees a limited volume and a simplicity of manufacture, while the rectangular cross-section of the line provides the advantages of the waveguide topology in ...

6. Process duct work - Wikipedia

   en.wikipedia.org/wiki/Process_Duct_Work

   Process duct work may be round or rectangular. Although round duct work costs more to fabricate than rectangular duct work, it requires fewer stiffeners and is favored in many applications over rectangular ductwork. The air in process duct work may be at ambient conditions or may operate at up to 900 °F (482 °C).

7. Horn antenna - Wikipedia

   en.wikipedia.org/wiki/Horn_antenna

   Pyramidal horn (fig. a) – a horn antenna with the horn in the shape of a four-sided pyramid, with a rectangular cross section. They are a common type, used with rectangular waveguides, and radiate linearly polarized radio waves. [12] Sectoral horn – A pyramidal horn with only one pair of sides flared and the other pair parallel. It produces ...