{"title":"高动态范围反射型衰减器","authors":"S. Bulja, P. Rulikowski","doi":"10.23919/RADIO.2018.8572448","DOIUrl":null,"url":null,"abstract":"In this paper a variable high dynamic range Reflection-Type Attenuator (RTA) is presented. The proposed RTA consists of a 3-dB coupler and two PIN diodes per reflective load. The PIN diodes are connected to the 3-dB coupler through a network comprising impedance transformers. The exact values of the impedance transformers needed for a high dynamic range are set in accordance with the developed theory. As an experimental verification, two RTAs have been fabricated - one with a single PIN diode per load and one with the proposed two PIN diodes per load. It is shown that the proposed RTA consisting of two PIN diodes per load offers a dynamic range that is two times greater than its single PIN diode counterpart, without a noteworthy increase in the insertion losses.","PeriodicalId":365518,"journal":{"name":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"High Dynamic Range Reflection-Type Attenuator\",\"authors\":\"S. Bulja, P. Rulikowski\",\"doi\":\"10.23919/RADIO.2018.8572448\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper a variable high dynamic range Reflection-Type Attenuator (RTA) is presented. The proposed RTA consists of a 3-dB coupler and two PIN diodes per reflective load. The PIN diodes are connected to the 3-dB coupler through a network comprising impedance transformers. The exact values of the impedance transformers needed for a high dynamic range are set in accordance with the developed theory. As an experimental verification, two RTAs have been fabricated - one with a single PIN diode per load and one with the proposed two PIN diodes per load. It is shown that the proposed RTA consisting of two PIN diodes per load offers a dynamic range that is two times greater than its single PIN diode counterpart, without a noteworthy increase in the insertion losses.\",\"PeriodicalId\":365518,\"journal\":{\"name\":\"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/RADIO.2018.8572448\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE Radio and Antenna Days of the Indian Ocean (RADIO)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/RADIO.2018.8572448","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In this paper a variable high dynamic range Reflection-Type Attenuator (RTA) is presented. The proposed RTA consists of a 3-dB coupler and two PIN diodes per reflective load. The PIN diodes are connected to the 3-dB coupler through a network comprising impedance transformers. The exact values of the impedance transformers needed for a high dynamic range are set in accordance with the developed theory. As an experimental verification, two RTAs have been fabricated - one with a single PIN diode per load and one with the proposed two PIN diodes per load. It is shown that the proposed RTA consisting of two PIN diodes per load offers a dynamic range that is two times greater than its single PIN diode counterpart, without a noteworthy increase in the insertion losses.
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