Title :
Development of a wideband double-ridged pyramidal horn for a 22∼129 GHz band phase calibration system
Author :
Moon-Hee Chung ; Do-Heung Je ; Seung-Rae Kim
Author_Institution :
Korea Astron. & Space Sci. Inst., Daejeon, South Korea
Abstract :
A wideband double-ridged pyramidal horn has been designed and fabricated for a phase calibration system, which is being developed for VLBI (Very Long Baseline Interferometry) multi-band receiver system. The operating frequency band of the horn covers across 22 and 129 GHz. Double-ridged waveguide structure has been employed for the ultra-wideband application. Measured return loss is better than 9.4 dB and measurements of radiation patterns are compared with simulations from 22 to 110 GHz.
Keywords :
broadband antennas; calibration; horn antennas; microwave antennas; millimetre wave antennas; radiowave interferometers; VLBI; double ridged antenna; double-ridged waveguide structure; frequency 22 GHz to 110 GHz; multiband receiver system; phase calibration system; pyramidal horn antenna; very long baseline interferometry; wideband antenna; Antenna radiation patterns; Broadband antennas; Calibration; Horn antennas; Loss measurement; Optical waveguides; Receivers; VLBI; double-ridged waveguide; phase calibration; pyramidal horn;
Conference_Titel :
Millimeter Waves (GSMM), 2015 Global Symposium On
Conference_Location :
Montreal, QC
DOI :
10.1109/GSMM.2015.7175441
