Premium
A compact feed horn with wide‐distributed operating bands of Ku/Ka/W
Author(s) -
Fang Xiang,
Ge Jun Xiang,
Wang Jie,
Lin Hai
Publication year - 2020
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.22167
Subject(s) - french horn , ka band , reflector (photography) , feed horn , rod , coupling (piping) , materials science , ku band , optics , dielectric , transmission (telecommunications) , radio spectrum , waveguide , frequency band , optoelectronics , acoustics , computer science , physics , telecommunications , antenna (radio) , radiation pattern , metallurgy , medicine , light source , alternative medicine , pathology , periscope antenna
Abstract This paper presents a design of a compact tri‐band feed horn for reflector, which has sufficient wide‐distributed operating bands at 14.5, 35, and 94 GHz. A single cavity is used to downsize and simplify the whole structure, replacing multiple transition sections, or dielectric rods. To maintain a good isolation, two 3‐order low‐pass filters are applied in the waveguide ports of Ku/Ka‐band respectively, meanwhile retaining a good coupling and minimal destruction on transmission modes. The prototype of the proposed tri‐band feed horn is fabricated and measured, showing an adoptable candidate for multiband reflector antennas.