{"title":"具有可重构全通能力的连续可调谐ku波段GaAs带阻滤波器","authors":"Andrés Fontana;Dimitra Psychogiou","doi":"10.1109/LMWT.2025.3580893","DOIUrl":null,"url":null,"abstract":"A multiconfigurable monolithic microwave integrated circuit (MMIC) filter is reported. It exhibits three modes of operation, namely, a high-attenuation single-notch bandstop (BS) mode, a dual-notch BS mode, and an all-pass (AP) mode. It is based on a bridged-T network (BTN) using a minimum number of lumped elements and a signal cancellation technique to counteract the effect of the low on-chip quality factor. Transfer function tuning and bandstop-to-all-pass filter (BSF-to-AP) mode reconfigurability are readily obtained by tuning the frequency of two resonators. A prototype was manufactured using a pHEMT GaAs MMIC process exhibiting a BS mode with frequency tuning range (<inline-formula> <tex-math>$\\Delta f_{0}$ </tex-math></inline-formula>) of 16% and suppression up to 68.5 dB, a dual-notch BS mode with <inline-formula> <tex-math>$\\Delta f_{0}$ </tex-math></inline-formula> of 15% and 20% fractional bandwidth (FBW), and an AP mode with insertion loss <5.3 dB.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":"35 9","pages":"1284-1287"},"PeriodicalIF":3.4000,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11052270","citationCount":"0","resultStr":"{\"title\":\"Continuously Tunable Ku-Band GaAs Bandstop Filter With Reconfigurable All-Pass Capabilities\",\"authors\":\"Andrés Fontana;Dimitra Psychogiou\",\"doi\":\"10.1109/LMWT.2025.3580893\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A multiconfigurable monolithic microwave integrated circuit (MMIC) filter is reported. It exhibits three modes of operation, namely, a high-attenuation single-notch bandstop (BS) mode, a dual-notch BS mode, and an all-pass (AP) mode. It is based on a bridged-T network (BTN) using a minimum number of lumped elements and a signal cancellation technique to counteract the effect of the low on-chip quality factor. Transfer function tuning and bandstop-to-all-pass filter (BSF-to-AP) mode reconfigurability are readily obtained by tuning the frequency of two resonators. A prototype was manufactured using a pHEMT GaAs MMIC process exhibiting a BS mode with frequency tuning range (<inline-formula> <tex-math>$\\\\Delta f_{0}$ </tex-math></inline-formula>) of 16% and suppression up to 68.5 dB, a dual-notch BS mode with <inline-formula> <tex-math>$\\\\Delta f_{0}$ </tex-math></inline-formula> of 15% and 20% fractional bandwidth (FBW), and an AP mode with insertion loss <5.3 dB.\",\"PeriodicalId\":73297,\"journal\":{\"name\":\"IEEE microwave and wireless technology letters\",\"volume\":\"35 9\",\"pages\":\"1284-1287\"},\"PeriodicalIF\":3.4000,\"publicationDate\":\"2025-06-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11052270\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE microwave and wireless technology letters\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/11052270/\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"0\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE microwave and wireless technology letters","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/11052270/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"0","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
Continuously Tunable Ku-Band GaAs Bandstop Filter With Reconfigurable All-Pass Capabilities
A multiconfigurable monolithic microwave integrated circuit (MMIC) filter is reported. It exhibits three modes of operation, namely, a high-attenuation single-notch bandstop (BS) mode, a dual-notch BS mode, and an all-pass (AP) mode. It is based on a bridged-T network (BTN) using a minimum number of lumped elements and a signal cancellation technique to counteract the effect of the low on-chip quality factor. Transfer function tuning and bandstop-to-all-pass filter (BSF-to-AP) mode reconfigurability are readily obtained by tuning the frequency of two resonators. A prototype was manufactured using a pHEMT GaAs MMIC process exhibiting a BS mode with frequency tuning range ($\Delta f_{0}$ ) of 16% and suppression up to 68.5 dB, a dual-notch BS mode with $\Delta f_{0}$ of 15% and 20% fractional bandwidth (FBW), and an AP mode with insertion loss <5.3 dB.
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