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- Title
High gain SIW cavity backed differential slot antenna for X-band applications.
- Authors
Srivastava, G.; Mohan, A.
- Abstract
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.
- Subjects
SUBSTRATE integrated waveguides; MICROSTRIP transmission lines; ELECTRIC impedance; SLOT antennas; BANDWIDTHS
- Publication
Electronics Letters (Wiley-Blackwell), 2018, Vol 54, Issue 24, p1361
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2018.6390