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In this work, an elementary circuit block suitable for Active Reconfigurable Intelligent Surface (ARIS) implementation, at \({5.8}\,\,\text {GHz}\) , is presented. The chain is composed of a reflection amplifier cascaded to a phase shifter. The block exhibits a variable gain in the 0 to 15 dB range, and a maximum phase shift of 260 \(^{\circ }\) , by varying the amplifier supply and phase shifter control voltages in the 2.5 V to 3.5 V and 0 V to 5 V ranges, respectively. The maximum power consumption of the cascade is within 52.5 \(\text {mW}\) . This work is the result of a collaboration between the University of Florence and the University of Perugia, in the frame of the PRIN 2022 SIPT-VARIS project.

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Reflection Amplifier with Phase Control Suitable for Active Reconfigurable Intelligent Surfaces

  • 会议论文

  • 发表日期：

    2026年

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  • Marco Badii,
  • Giovanni Lasagni,
  • Giovanni Collodi,
  • Monica Righini,
  • Giulio Brancali,
  • Roberto Vincenti Gatti,
  • Guendalina Simoncini,
  • Giacomo Schiavolini,
  • Giulia Orecchini,
  • Federico Alimenti,
  • Alessandro Cidronali

摘要

In this work, an elementary circuit block suitable for Active Reconfigurable Intelligent Surface (ARIS) implementation, at \({5.8}\,\,\text {GHz}\) , is presented. The chain is composed of a reflection amplifier cascaded to a phase shifter. The block exhibits a variable gain in the 0 to 15 dB range, and a maximum phase shift of 260 \(^{\circ }\) , by varying the amplifier supply and phase shifter control voltages in the 2.5 V to 3.5 V and 0 V to 5 V ranges, respectively. The maximum power consumption of the cascade is within 52.5 \(\text {mW}\) . This work is the result of a collaboration between the University of Florence and the University of Perugia, in the frame of the PRIN 2022 SIPT-VARIS project.