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JSSC 2024第6期Other0.15µm GaAs pHEMT

An SP10T Switch With Reconfigurable Matching and Symmetrical Routing Topologies

一种宽带低插入损耗的SP10T开关,采用三种创新拓扑结构实现从直流到18GHz的优异性能。
0.15-µm GaAs pHEMT, 1.1-3.2dB IL, DC-18GHz BW, >24dB隔离度
SP10T开关可重构匹配对称拓扑宽带低插入损耗
采用对称路由结构实现所有路径相似的传输函数,简化阻抗匹配
串联传输线-并联单元优化插入损耗和匹配
3合1可重构匹配网络适应不同子频段的最佳性能
Abstract
This article presents a broadband single-pole ten- throw (SP10T) switch with a low insertion loss (IL) performance. With the proposed three topologies, the design breaks the constraints between bandwidth (BW) and IL. The proposed three topologies include: 1) employing a one-for-all symmetrically routed structure that achieves similar transfer functions for all pole-to-throw paths, and hence, one matching network covers all branches impedance matching; 2) a series-transmission-line (TL)-shunt uni