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In this paper, a frequency reconfigurable 1-bit transmitarray element is proposed, which is formed by a receiving (Rx) layer and connected to a transmitting (Tx) one through a phase shifting network. The element can not only realize two phase states of 0° and 180°, but also realize frequency reconfigurable function with large frequency ratio by loading PIN diode. The transmission coefficient of each phase state is better than −1dB at about 14GHz with 6% bandwidth and 30GHz with 3% bandwidth.
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Ye et al. (2024) studied this question.
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