ABSTRACT:A low-profile 60-GHz antenna array has been designed, built, and tested. The design uses a circular waveguide radiator for bandwidth, a stripline distribution network for minimum thickness and flexibility, and a waveguide input for interfacing to other components. Boresight gain variations of less than Ϯ1.5 dB were demonstrated for several units over [57][58][59][60][61][62][63]
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