Novel Varactor-Tuned Coupling Mechanism and Its Applications to High-Order Bandwidth-Agile Bandpass Filters
2016 ◽
Vol 527
◽
pp. 91-97
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1974 ◽
Vol 21
(6)
◽
pp. 774-783
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2020 ◽
Vol 30
(4)
◽
pp. 367-370
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