In this contribution, a novel broadband 180° phase shifter, realized in 0.5 μm GaN HEMT technology developed by SELEX Sistemi Integrati, is presented. This new topology is based on the combination of two directive three-port elements with a four-port phase-shifting network: the proposed MMIC is featured by an average zero insertion loss, 180°±2° differential phase-shift and good port matching over the 3–7GHz operating bandwidth. The MMIC size is 3.5×3.4 mm2.
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机译：在这项贡献中，提出了一种新型的宽带180°移相器，该移相器由SELEX Sistemi Integrati开发的0.5μmGaN HEMT技术实现。这种新的拓扑结构基于两个定向三端口元件与一个四端口相移网络的组合：拟议的MMIC具有平均零插入损耗，180°±2°差分相移和良好的端口匹配特性在3–7GHz的工作带宽上。 MMIC尺寸为3.5×3.4 mm 2 。
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