Ka-band waveguide rotary joint

Abstract
The authors present a design of a waveguide rotary joint operating in Ka-band with central frequency of 33 GHz, which also acts as an antenna mount. The main unit consists of two flanges with a clearance between them; one of the flanges has three circular choke grooves. Utilisation of three choke grooves allows larger operating clearance. Two prototypes of the rotary joint have been manufactured and experimentally studied. The observed loss is from 0.4 to 0.8 dB in 1.5 GHz band.

Citation
Yevdokymov, A., Sirenko, K., Kryzhanovskiy, V., & Pazynin, V. (2013). Ka-band waveguide rotary joint. IET Microwaves, Antennas & Propagation, 7(5), 365–369. doi:10.1049/iet-map.2012.0326

Publisher
Institution of Engineering and Technology (IET)

Journal
IET Microwaves, Antennas & Propagation

DOI
10.1049/iet-map.2012.0326

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