標題: All-planar dual-mode asymmetric filters at Ka-band
作者: Chen, HC
Tzuang, CKC
電信工程研究所
Institute of Communications Engineering
關鍵字: dual-mode;filter;Ka-band;planar transition
公開日期: 1-三月-2003
摘要: All-planar dual-mode inductive asymmetric filters utilizing new planar microstrip to dielectric-loaded rectangular waveguide transitions at Ka-band were presented and built in this letter. The conventional, three-dimensional metallic rectangular waveguide dual-mode filters can be implemented into mature PCB technology with a much easier and lower-cost fabrication process on the basis of the all-planar feature of the transition. This work demonstrates two Ka-band filter examples with center frequency at 31 GHz and bandwidth at 1 GHz and 2 GHz. The measured minimum insertion loss of each case was, respectively, 2.68 and 1.12 dB, with greater than 10 dB return loss in the passband. Moreover, the measured side-band attenuation (near passband) is larger than 30 dB due to the transmission zeros at each side of the passband.
URI: http://dx.doi.org/10.1109/LMWC.2003.810119
http://hdl.handle.net/11536/28066
ISSN: 1531-1309
DOI: 10.1109/LMWC.2003.810119
期刊: IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
Volume: 13
Issue: 3
起始頁: 111
結束頁: 113
顯示於類別:期刊論文


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