{"title":"基于亚波长CRLH谐振器的紧凑型平衡双带带通滤波器在RFID和5G中的应用","authors":"Yi Song, Haiwen Liu, Weilong Zhao, Zhengbiao Wang","doi":"10.1109/RFID-TA.2018.8552789","DOIUrl":null,"url":null,"abstract":"In this paper, a planar sub-wavelength resonator constructed by interdigital capacitors and meander microstrip line is presented. Under differential-mode (DM) excitation, the planar sub-wavelength resonator is virtually connected to ground, it is equivalent to composite right/left-handed transmission-Line (CRLH-TL) resonator. Under common-mode (CM) excitation, the common modes (CMs) are far away from the DMs, which can introduce good CM suppression. Based on this resonator, a balanced dual-Band bandpass filter (BPF) with ultra-compact size and perfect CM suppression is proposed, two center frequencies are located at 2.4 GHz and 3.6 GHz, respectively. The simulated and measured results show perfect DM response and high CM suppression. This balanced dual-band filter can be used in microwave -RFID and 5G application.","PeriodicalId":293800,"journal":{"name":"2018 IEEE International Conference on RFID Technology & Application (RFID-TA)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Compact Balanced Dual-Band Bandpass Filter Based on Sub-wavelength CRLH Resonator for RFID and 5G Application\",\"authors\":\"Yi Song, Haiwen Liu, Weilong Zhao, Zhengbiao Wang\",\"doi\":\"10.1109/RFID-TA.2018.8552789\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a planar sub-wavelength resonator constructed by interdigital capacitors and meander microstrip line is presented. Under differential-mode (DM) excitation, the planar sub-wavelength resonator is virtually connected to ground, it is equivalent to composite right/left-handed transmission-Line (CRLH-TL) resonator. Under common-mode (CM) excitation, the common modes (CMs) are far away from the DMs, which can introduce good CM suppression. Based on this resonator, a balanced dual-Band bandpass filter (BPF) with ultra-compact size and perfect CM suppression is proposed, two center frequencies are located at 2.4 GHz and 3.6 GHz, respectively. The simulated and measured results show perfect DM response and high CM suppression. This balanced dual-band filter can be used in microwave -RFID and 5G application.\",\"PeriodicalId\":293800,\"journal\":{\"name\":\"2018 IEEE International Conference on RFID Technology & Application (RFID-TA)\",\"volume\":\"28 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 IEEE International Conference on RFID Technology & Application (RFID-TA)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RFID-TA.2018.8552789\",\"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 International Conference on RFID Technology & Application (RFID-TA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFID-TA.2018.8552789","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Compact Balanced Dual-Band Bandpass Filter Based on Sub-wavelength CRLH Resonator for RFID and 5G Application
In this paper, a planar sub-wavelength resonator constructed by interdigital capacitors and meander microstrip line is presented. Under differential-mode (DM) excitation, the planar sub-wavelength resonator is virtually connected to ground, it is equivalent to composite right/left-handed transmission-Line (CRLH-TL) resonator. Under common-mode (CM) excitation, the common modes (CMs) are far away from the DMs, which can introduce good CM suppression. Based on this resonator, a balanced dual-Band bandpass filter (BPF) with ultra-compact size and perfect CM suppression is proposed, two center frequencies are located at 2.4 GHz and 3.6 GHz, respectively. The simulated and measured results show perfect DM response and high CM suppression. This balanced dual-band filter can be used in microwave -RFID and 5G application.
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