Ka-Band Gap Waveguide Coupled-Resonator Filter for Radio Link Diplexer Application

被引：103

作者：

Alos, Esperanza Alfonso ^{[1
]}

Zaman, Ashraf Uz ^{[1
]}

Kildal, Per-Simon ^{[1
]}

机构：

[1] Chalmers Univ Technol, Antenna Grp, Dept Signals & Syst, SE-41296 Gothenburg, Sweden

来源：

IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY | 2013年 / 3卷 / 05期

基金：

瑞典研究理事会;

关键词：

Band pass filters; gap waveguides; microwave filters; millimeter-wave circuits; resonator filters; NAILS; BED;

D O I：

10.1109/TCPMT.2012.2231140

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Gap waveguide technology represents an interesting alternative as low-loss, cost-effective, and high-performance transmission line and package of microwave and millimeter-wave systems. A Ka-band coupled-resonator filter for a radio link diplexer, which requires high selectivity to isolate transmit and receiving channels, is proposed and realized using gap waveguide technology. The band-pass filter, which has a central frequency of 37.37 GHz and a pass bandwidth of 560 MHz, is fabricated between two parallel metal plates, leaving an air gap between them. After milling one of the plates, silver-plating is applied on them. Measurements show a minimum in-band insertion loss of 1 dB and agree quite well with simulations.

引用

页码：870 / 879

页数：10

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