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本文介绍一种平面宽带180°混合接头。该混合接头的实现是使用了一个三分贝90°混合接头和一个零方贝串联混合接头。在氧化铝基片上制作的交指型混合接头在4—8千兆赫频带内工作良好。这种混合接头在这个频带内有0.5分贝的插入损耗,±7°的相位不平衡度和大于18分贝的隔离度。
This article describes a planar broadband 180 ° hybrid connector. The hybrid connector is implemented using a three decibel 90 ° hybrid connector and a zero-square-series hybrid connector. Interdigital hybrid connectors fabricated on alumina substrates work well in the 4-8 GHz band. This hybrid connector has 0.5 dB insertion loss, ± 7 ° phase imbalance and greater than 18 dB isolation in this band.