A V-band planar narrow bandpass filter using a new type integrated waveguide transition |
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Authors: | Sung Tae Choi Ki Seok Yang Tokuda K Yong Hoon Kim |
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Affiliation: | Dept. of Mechatronics, Kwangju Inst. of Sci. & Technol., Gwangju, South Korea; |
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Abstract: | A surface mountable planar narrow bandpass filter is proposed and demonstrated at V-band. The filter is constructed using an integrated waveguide in an alumina substrate employing a novel microstrip line to waveguide transition. The insertion loss per one transition is less than 0.1 dB over 43 to 73 GHz. A fabricated three-pole Chebyshev filter exhibits an insertion loss of 3 dB with a 3.3% bandwidth at a center frequency of 62 GHz and the return loss is better than 15 dB in the passband. |
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