Millimeter-Wave Double-Ridge Waveguide and Components

被引：15

作者：

Manafi, Sara ^{[1
]}

Al-Tarifi, Muhannad ^{[1
]}

Filipovic, Dejan S. ^{[1
]}

机构：

[1] Univ Colorado, Antenna Res Grp, Dept Elect Comp & Energy Engn, Boulder, CO 80309 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2018年 / 66卷 / 11期

关键词：

Attenuation; bends; direct metal laser sintering (DMLS); double-ridge waveguide; millimeter-wave frequency; power handling; roughness; termination load; transmission line; twist; E-PLANE BENDS; H-PLANE; COMPACT; TWISTS; DESIGN; SINGLE; CAD;

D O I：

10.1109/TMTT.2018.2864671

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A 45-110-GHz double-ridge waveguide, denoted by WRD45110, is designed, fabricated, and tested. A detailed parametric study is carried out to develop a cross section with in-band attenuation for the straight line below 0.06 dB/cm and group delay below 0.06 ns/cm. Ridges are rounded so that the theoretical peak power handling is above 400 W. For practical characterization, various straight lines are built with the direct metal laser sintering (DMLS) 3-D printing process in aluminum and stainless steel. Precision, repeatability, mechanical strength, and electrical performance are then evaluated. A 90 degrees twist, a 90 degrees E-bend, a 90 degrees H-bend, and an open termination load are also developed, 3-D printed, and measured. Good performance of all lines and components and ability to cascade functional pieces are demonstrated.

引用

页码：4726 / 4736

页数：11

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