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Journal Articles IEEE Transactions on Antennas and Propagation Year : 2020

2-bit reconfigurable unit-cell and electronically steerable transmitarray at Ka-band

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Abstract

This communication presents the design, optimization, fabrication, and characterization of an electronically steerable transmitarray (TA) with 2 bits of phase quantization per unit cell. The proposed TA operates in linear polarization at Ka-band and is composed of 14 × 14 reconfigurable unit-cells. Four p-i-n diodes are integrated on each unit-cell to control the radiated field phase distribution across the TA aperture. The prototype demonstrates experimentally pencil beam scanning over a 120° × 120° window, a maximum gain at broadside of 19.8 dBi, and a 3 dB fractional bandwidth of 16.2%.
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Dates and versions

cea-03637113 , version 1 (11-04-2022)

Identifiers

Cite

Fatimata Diaby, Antonio Clemente, Ronan Sauleau, Trung Kien Pham, Laurent Dussopt. 2-bit reconfigurable unit-cell and electronically steerable transmitarray at Ka-band. IEEE Transactions on Antennas and Propagation, 2020, 68 (6), pp.5003-5008. ⟨10.1109/TAP.2019.2955655⟩. ⟨cea-03637113⟩
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