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IEICE TRANSACTIONS on Electronics

A Waveguide Compatible NRD Guide E-Plane Bandpass Filter for 55 GHz Band OFDM Applications

Takashi SHIMIZU, Yuki KAWAHARA, Takayuki NAKAGAWA, Tsukasa YONEYAMA

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Summary :

A rectangular waveguide compatible NRD guide E-plane bandpass filter is proposed for 55 GHz band OFDM applications. The NRD guide E-plane bandpass filter is constructed by inserting a metal foil array in the E-plane of NRD guide. Simulation, fabrication, and handling of the filter are not difficult because each resonator is constructed by a couple of metal foils of a simple shape. A Chebyshev response 5-pole bandpass filter with a very narrow bandwidth of 550 MHz is designed and fabricated at 55 GHz band. Simulated and measured filter performances agree well with the design specifications. Insertion loss of the fabricated filter is found to be around 2.0 dB. Although temperature stability of the fabricated filter are found to be within manageable level, the adoption of cyclo olefin polymer can be one of solution for the temperature stability improvement.

Publication
IEICE TRANSACTIONS on Electronics Vol.E90-C No.9 pp.1729-1735
Publication Date
2007/09/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e90-c.9.1729
Type of Manuscript
Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category
Passive Devices/Circuits

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