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首页> 外文期刊>International Journal of Electrical and Computer Engineering >Analysis of Open Stub Resonator and its Application in Dual Isolation Band of SPDT Switch Design
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Analysis of Open Stub Resonator and its Application in Dual Isolation Band of SPDT Switch Design

机译：开路短截线谐振器的分析及其在SPDT开关设计双隔离带中的应用

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摘要

In this paper, an analysis of open stub resonator is presented and its application in dual isolation band of Single Pole Double Throw (SPDT) switch is proposed. A mathematical model and the characteristic of the bandstop of the resonator were analyzed and discussed. The open stub resonator was implemented using the microstrip transmission line and able to switch between bandstop and allpass responses. Frequency bands of 2.3 and 3.5 GHz were chosen to demonstrate the dual isolation band in the switch design. The performance results of the SPDT switch showed that the isolation was greater than 30 dB, return loss was greater than 10 dB and insertion loss less than 2 dB at the center resonant frequency of 2.3 and 3.5 GHz. The potential application of the proposed dual isolation band of SPDT switch is for multi band RF front-end system such as WiMAX, LTE, WiFi and HyperLAN.
机译：本文对开路短截线谐振器进行了分析，并提出了其在单刀双掷开关双隔离带中的应用。分析并讨论了谐振器带阻的数学模型和特性。开放式短线谐振器是使用微带传输线实现的，能够在带阻和全通响应之间切换。选择2.3和3.5 GHz频带来演示开关设计中的双重隔离频带。 SPDT开关的性能结果表明，在中心谐振频率为2.3和3.5 GHz时，隔离度大于30 dB，回波损耗大于10 dB，插入损耗小于2 dB。拟议中的SPDT开关双隔离带的潜在应用是用于WiMAX，LTE，WiFi和HyperLAN等多频段RF前端系统。

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