Broadband substrate‐integrated waveguide T‐junction with arbitrary power‐dividing ratio | Zendy

Li Teng | Zendy; Dou Wenbin | Zendy

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Broadband substrate‐integrated waveguide T‐junction with arbitrary power‐dividing ratio

Author(s) -

Li Teng,

Dou Wenbin

Publication year - 2015

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.2014.3928

Subject(s) - broadband , waveguide , optoelectronics , materials science , substrate (aquarium) , power (physics) , optics , integrated optics , physics , computer science , oceanography , quantum mechanics , geology

A novel broadband substrate‐integrated waveguide (SIW) T‐junction with an arbitrary power‐dividing ratio is proposed. Three inductive posts are designed to adopt flexibility for the equal output T‐junction to obtain a wide impedance bandwidth. To realise the unequal power‐dividing ratio over a wide bandwidth, the SIW coupler is integrated with corner structures and a novel T‐junction structure is formed. Three T‐junctions with different power division ratios (1:1, 1:4 and 1:8) at a centre frequency of 6 GHz are simulated, fabricated and measured. The measured bandwidths are 60, 53 and 63.3%, respectively.

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