Wideband slotline-ring-resonator bandpass filters under triple resonances
作者： Wei Zhu , Dong Chen , Huizheng Bu , Lei Zhu , Chonghu Cheng
DOI: 10.1109/IMWS-AMP.2015.7325029
关键词: Electronic engineering 、 Physics 、 Microstrip 、 Passband 、 Wideband bandpass filter 、 Resonator 、 Optics 、 Wideband 、 Band-pass filter 、 Stub (electronics) 、 Optical ring resonators
摘要: A novel wideband bandpass filter using back-to-back microstrip-slotline transition and triple-mode slotline resonator is proposed. The constructed with one full-wavelength ring a single short-circuited stub. Two microstrip feed lines are placed above the in such way that two intersection positions at 54° separation along ring. With proper choice of length stub, first three resonances can be quasi-equally located to construct wide passband. To verify design concept, prototype finally designed, fabricated measured. predicted results well confirmed experiment.
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