{"title":"70 MHz CMOS gm-C中频滤波器","authors":"M. Qureshi, P. Allen","doi":"10.1109/ISCAS.2005.1465993","DOIUrl":null,"url":null,"abstract":"The implementation of a high dynamic range on-chip 70 MHz gm-C filter for a UMTS (WCDMA) superheterodyne receiver is described. The filter is designed in National Semiconductor's 0.18 micron standard CMOS process. The Chebyshev approximation is used to implement a 6th order filter in active gm-C. Positive feedback is used to realize a large quality factor (Q). The filter provides blocker attenuation with dynamic range (DR) of 42 dB and with power consumption of 21.78 mW.","PeriodicalId":191200,"journal":{"name":"2005 IEEE International Symposium on Circuits and Systems","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"70 MHz CMOS gm-C IF filter\",\"authors\":\"M. Qureshi, P. Allen\",\"doi\":\"10.1109/ISCAS.2005.1465993\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The implementation of a high dynamic range on-chip 70 MHz gm-C filter for a UMTS (WCDMA) superheterodyne receiver is described. The filter is designed in National Semiconductor's 0.18 micron standard CMOS process. The Chebyshev approximation is used to implement a 6th order filter in active gm-C. Positive feedback is used to realize a large quality factor (Q). The filter provides blocker attenuation with dynamic range (DR) of 42 dB and with power consumption of 21.78 mW.\",\"PeriodicalId\":191200,\"journal\":{\"name\":\"2005 IEEE International Symposium on Circuits and Systems\",\"volume\":\"17 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2005-05-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2005 IEEE International Symposium on Circuits and Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISCAS.2005.1465993\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2005 IEEE International Symposium on Circuits and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISCAS.2005.1465993","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The implementation of a high dynamic range on-chip 70 MHz gm-C filter for a UMTS (WCDMA) superheterodyne receiver is described. The filter is designed in National Semiconductor's 0.18 micron standard CMOS process. The Chebyshev approximation is used to implement a 6th order filter in active gm-C. Positive feedback is used to realize a large quality factor (Q). The filter provides blocker attenuation with dynamic range (DR) of 42 dB and with power consumption of 21.78 mW.
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