Substrate integrated waveguide filter with embedded mixed source–load coupling | Zendy

Xu Z.Q. | Zendy; Wang P. | Zendy; Qian K.W. | Zendy; Tian Z. | Zendy

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Substrate integrated waveguide filter with embedded mixed source–load coupling

Author(s) -

Xu Z.Q.,

Wang P.,

Qian K.W.,

Tian Z.

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2013.2572

Subject(s) - substrate coupling , substrate (aquarium) , coupling (piping) , materials science , waveguide , optoelectronics , filter (signal processing) , waveguide filter , electronic engineering , computer science , electrical engineering , prototype filter , engineering , filter design , nanotechnology , layer (electronics) , composite material , oceanography , geology , trench

A compact substrate integrated waveguide (SIW) filter with an improved stopband using multilayer embedded mixed coupling (MC) is presented. By implementing MC into the input/output SIW, the filter not only exhibits good rejection for the upper stopband, owing to an additional controllable transmission zero, but also has a miniature size of 18 × 12 mm 2 by profiting from its low‐temperature co‐fired ceramic structure. An experimental second‐order filter with three TZs has been designed and fabricated. The measured results show good agreement with the simulated ones.

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