Low-loss W-band CPW bandpass filter using annular CPW branch-line coupler with open load stubs
2011 ◽
Vol 53
(10)
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pp. 2400-2403
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2014 ◽
Vol 8
(15)
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pp. 1440-1444
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2019 ◽
Vol 66
(6)
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pp. 938-942
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1988 ◽
Vol 36
(12)
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pp. 1727-1732
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