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A new H-shaped feed-network for CP-PASS (circularly polarised printed array composed of strip dipoles and slots) is presented which allows a wider axial-ratio bandwidth to be realised at 12 GHz band. By using the H-shaped feed-network, a 12 × 2 element-set CP-PASS gives a 3dB axial-ratio bandwidth of 6%.
Inspec keywords: antenna feeders; satellite ground stations; receiving antennas; directive antennas; antenna phased arrays; direct broadcasting by satellite; microwave antennas
Other keywords:
Subjects: Satellite communication systems; Antenna arrays; Antenna accessories; Radio and television broadcasting