A novel lightweight and low‐loss stripline with embedded air cavity | Zendy

Cong YouJi | Zendy; Chang DeJie | Zendy; Cheng HaiRong | Zendy; Li Jiang | Zendy; Wu ShaoPeng | Zendy

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A novel lightweight and low‐loss stripline with embedded air cavity

Author(s) -

Cong YouJi,

Chang DeJie,

Cheng HaiRong,

Li Jiang,

Wu ShaoPeng

Publication year - 2020

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.32180

Subject(s) - stripline , printed circuit board , materials science , transmission line , air gap (plumbing) , insertion loss , transmission loss , ceramic , electronic engineering , optoelectronics , electrical engineering , engineering , composite material , telecommunications

This article presents a novel structure of stripline which is made of sandwich structure composed of printed circuit board (PCB) and polymethacrylimide foam, and a loss reduction design is carried out. Compared with the traditional air stripline structure, the weight of proposed structure is reduced by more than 80% with the transmission loss slightly increases. The transmission loss of this stripline structure is significantly lower than that of PCB and low‐temperature cofired ceramic stripline structure. A section of transmission line is fabricated and measured for verification; the measured results are in good agreement with the theoretical simulation, and it shows about 0.1 dB per 100 mm of transmission loss at C band.

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