Design of a Broadband Transition from a Coaxial Cable to a Reduced-Height Rectangular Waveguide

被引：0

作者：

Dansran, Bayarsaikhan ^{[1
]}

Xu, Songyuan ^{[1
]}

Heo, Jiwon ^{[1
]}

Lee, Chan-Soo ^{[1
]}

Ahn, Bierng-Chearl ^{[1
]}

机构：

[1] Chungbuk Natl Univ, Sch Elect & Comp Engn, Cheongju 28644, South Korea

来源：

APPLIED SCIENCES-BASEL | 2023年 / 13卷 / 20期

关键词：

transition; coaxial-to-waveguide; broadband; simulation-based design;

D O I：

10.3390/app132011265

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页数：12

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