A compact feed horn with wide‐distributed operating bands of Ku/Ka/W. Issue 5 (11th February 2020)

• Record Type: Journal Article
• Authors: Fang, Xiang; Ge, Jun Xiang; Wang, Jie; Lin, Hai
• Is Part Of: International journal of RF and microwave computer-aided engineering. Volume 30:Issue 5(2020)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2020-02-11
• Subjects: compact structure -- reflector antenna -- tri‐band feed horn -- wide‐distributed operating bands; Microwave devices -- Computer-aided design -- Periodicals; Computer-aided engineering -- Periodicals; 621.3813
• DOI: 10.1002/mmce.22167
• Languages: English
• ISSNs: 1096-4290

Abstract

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.