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2013-05-23
SIW 2D Planar Array with Four Cross Slots Radiator and Tuning Vias
By
Progress In Electromagnetics Research C, Vol. 40, 83-92, 2013
Abstract
A Substrate Integrated Waveguide (SIW) planar array is presented using a right handed circularly polarized (RHCP) element with four crossed tilted radiating slots. In addition, a pair of metallic tuning vias is included to really improve the reflection of longest slots. A corporate feeding network over SIW has been designed for distributing the input signal to 128 radiating elements, divided into 8 progressive wave linear arrays of 16 elements each. The designed planar array has been manufactured and measured to verify the antenna performance. 25.5 dB gain, 2.33 dB axial ratio, as well as 85% radiation efficiency values have been experimentally achieved at 17 GHz. A 3% usable bandwidth (16.75-17.25 GHz) is obtained due to the typical frequency main beam tilt dispersion in the elevation plane of the progressive wave arrays.
Citation
Pablo Sanchez Olivares, Jose Luis Masa-Campos, Jorge Ruiz-Cruz, and Bazil Taha-Ahmed, "SIW 2D Planar Array with Four Cross Slots Radiator and Tuning Vias," Progress In Electromagnetics Research C, Vol. 40, 83-92, 2013.
doi:10.2528/PIERC13040905
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