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A new type of Substrate integrated waveguide end slot antenna(SIWESA) radiating from the waveguide end of a Substrate integrated waveguide(SIW) at Xband is investigated with simulation and experiment in this paper. A novel SIW transmission line and a SIWTL end matching network are developed to transfer the energy from the coaxial line to the SIW end radiating slot. This whole antenna is fabricated on a microwave substrate with standard PCB process. The simulated results of a single SIWESA are in good agreement with the experiment ones.Furthermore, a 4-element array are fabricated and measured. The good tested results and the low-cost PCB process fabrication technology demonstrate that SIWESA is a new candidate for the phased arrays.
A new type of Substrate integrated waveguide end slot antenna (SIWESA) radiating from the waveguide end of a Substrate integrated waveguide (SIW) at Xband is investigated with simulation and experiment in this paper. A novel SIW transmission line and a SIWTL end matching network are developed to transfer the energy from the coaxial line to the SIW end radiating slot. The whole antenna is fabricated on a microwave substrate with standard PCB process. The simulated results of a single SIWESA are in good agreement with the experiment ones. Futurerther, a 4 -element array are fabricated and measured. The good tested results and the low-cost PCB process fabrication technology demonstrate that SIWESA is a new candidate for the phased arrays.