{"title":"A Low-Loss Single-Pole-Double-Throw (SPDT) Switch Circuit","authors":"M. Tang, A. Liu, A. Agarwal","doi":"10.1109/SENSOR.2007.4300221","DOIUrl":null,"url":null,"abstract":"A low-loss single-pole-double-throw (SPDT) switch circuit using lateral RF MEMS switches has been developed on glass to operate from DC to 20 GHz. High compactness and low loss can be obtained by use of the lateral switches and coplanar waveguide (CPW) configuration. The circuit provides > 24-dB isolation and < 0.9-dB insertion loss up to 20 GHz. The pull-in voltage of the switch is only 12.4 V, with a switching-on time of 35 mus and a switching-off time of 36 mus. A single-mask silicon-on-glass (SiOG) fabrication process has been developed to fabricate the SPDT switch circuit on glass, which has the advantages of low loss and high yield. The whole circuit has a size of 1.64 mm times 1.3 mm.","PeriodicalId":23295,"journal":{"name":"TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference","volume":"42 1","pages":"679-682"},"PeriodicalIF":0.0000,"publicationDate":"2007-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SENSOR.2007.4300221","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
A low-loss single-pole-double-throw (SPDT) switch circuit using lateral RF MEMS switches has been developed on glass to operate from DC to 20 GHz. High compactness and low loss can be obtained by use of the lateral switches and coplanar waveguide (CPW) configuration. The circuit provides > 24-dB isolation and < 0.9-dB insertion loss up to 20 GHz. The pull-in voltage of the switch is only 12.4 V, with a switching-on time of 35 mus and a switching-off time of 36 mus. A single-mask silicon-on-glass (SiOG) fabrication process has been developed to fabricate the SPDT switch circuit on glass, which has the advantages of low loss and high yield. The whole circuit has a size of 1.64 mm times 1.3 mm.
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