Title :
Ka-band waveguide rotary joint
Author :
Yevdokymov, Anatoliy ; Kryzhanovskiy, Volodymyr ; Pazynin, Vadim ; Sirenko, Kostyantyn
Author_Institution :
Dept. of Math. Phys., Inst. of Radiophys. & Electron., Kharkiv, Ukraine
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.
Keywords :
UHF antennas; UHF couplers; waveguide antennas; waveguide couplers; Ka-band waveguide rotary joint; antenna mount; circular choke grooves; flanges; frequency 1.5 GHz; frequency 33 GHz; loss 0.4 dB to 0.8 dB;
Journal_Title :
Microwaves, Antennas & Propagation, IET
DOI :
10.1049/iet-map.2012.0326
