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首页> 外文期刊>international journal of microwave and wireless technologies >Monolithically-integrated 3D printed coaxial bandpass filters and RF diplexers: single-band and dual-band
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Monolithically-integrated 3D printed coaxial bandpass filters and RF diplexers: single-band and dual-band

机译：Monolithically-integrated 3D printed coaxial bandpass filters and RF diplexers: single-band and dual-band

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摘要

The manuscript reports on additively-manufactured (AM) coaxial-resonator-based bandpass filters (BPFs) and RF diplexers. A monolithic integration concept using stereolithography apparatus (SLA) is proposed and discussed in detail. Coupled-resonator-based synthesis alongside full-electromagnetic-based design methods is used for the design of the monolithic filters and RF diplexers. In particular, the paper discusses a new external coupling mechanism for dual-band BPFs that allow to independently control the coupling in each of the BPF passbands. Furthermore, a novel coaxial transmission line-type T-junction is proposed for the design of single- and dual-band RF diplexers. For practical validation purposes, multiple BPF and RF diplexer prototypes were designed, manufactured and tested at S- and C-band demonstrating the applicability of the proposed concept to low-cost, low-loss and low-weight RF components with complex geometrical features.

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