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- Title
Design of a Broadband Transition from a Coaxial Cable to a Reduced-Height Rectangular Waveguide.
- Authors
Dansran, Bayarsaikhan; Xu, Songyuan; Heo, Jiwon; Lee, Chan-Soo; Ahn, Bierng-Chearl
- Abstract
For miniaturization, rectangular waveguides with a reduced height are often required, along with a coaxial transition for signal launching. We present a simulation-based design of a broadband transition from a coaxial cable to a rectangular waveguide with the height(b)-to-width(a) ratio b/a ranging from 0.125 to 0.375. The proposed transition consists of a coaxial probe with a cylindrical head or a disk and two symmetrically placed tuning posts. To extend the operating frequency range, three sections of the rectangular waveguide are employed with properly chosen dimensions. Design examples are presented for the WR75 waveguide transition with a b/a of 0.125, 0.25, and 0.375, having a bandwidth of 83.4%, 92.7%, and 84.4%, respectively. Compared with previous works, our design offers the largest bandwidth in a right-angle coaxial-to-rectangular waveguide transition employing the aforementioned structure.
- Subjects
COAXIAL cables; RECTANGULAR waveguides; WAVEGUIDES
- Publication
Applied Sciences (2076-3417), 2023, Vol 13, Issue 20, p11265
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app132011265