A 3-D printed PCB integrated TEM Horn Antenna
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This paper presents a very broadband (5–40 GHz) novel three dimension (3-D) printed Transverse ElectroMagnetic (TEM) horn antenna. It is integrated with a planar Printed Circuit Board and radiates in a perpendicular direction of the Printed Circuit Board. The described antenna provides benefits in terms of cost and size for a two dimensional antenna array. Here the antenna and its corresponding transition to a regular 50 O microstrip line through Parallel Plate Waveguide and a 90° bend are presented. Prototypes of back-to-back transitions and antenna are fabricated and measured. The antenna has a return loss below -10 dB and a gain of approximately 10 dBi over the targeted frequency range.