High gain SIW cavity backed differential slot antenna for X‐band applications | Zendy

Srivastava G. | Zendy; Mohan A. | Zendy

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High gain SIW cavity backed differential slot antenna for X‐band applications

Author(s) -

Srivastava G.,

Mohan A.

Publication year - 2018

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.2018.6390

Subject(s) - high gain antenna , slot antenna , antenna gain , antenna (radio) , differential (mechanical device) , optoelectronics , electronic engineering , materials science , electrical engineering , telecommunications , computer science , engineering , directional antenna , antenna measurement , antenna factor , aerospace engineering

A new differential substrate integrated waveguide (SIW) antenna with good common‐mode (CM) suppression and high gain is presented. The designed antenna uses an H‐shaped slot backed by SIW cavity and is differentially excited by two microstrip feedlines from two opposite sides of the cavity. The measured differential impedance bandwidth of the proposed antenna is 10.19–11.03 GHz with CM suppression below 2 dB. The designed differential antenna exhibits a high gain of 8.7 dBi with a good front‐to‐back ratio of 21 dB.

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