J. Font, E. Isern, M. Roca, R. Picos, E. García-Moreno
{"title":"双元OTA-C滤波器的一种新的自q调谐方案","authors":"J. Font, E. Isern, M. Roca, R. Picos, E. García-Moreno","doi":"10.1109/ICCDCS.2012.6188926","DOIUrl":null,"url":null,"abstract":"A new Q-tuning scheme for biquad OTA-C filters is presented. We have taken benefit of the advantages of the classical Phase-Locked Loop scheme to tune the center frequency and we have also applied it to Q-tuning. The unique requirement for these biquad filters is that fo-tuning and Q-tuning must be uncoupled and independent. Tunability and versatility of OTAs have been fully exploited attaining quality factors with accuracy errors smaller than 1%.","PeriodicalId":125743,"journal":{"name":"2012 8th International Caribbean Conference on Devices, Circuits and Systems (ICCDCS)","volume":"69 2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A new self Q-tuning scheme for biquad OTA-C filters\",\"authors\":\"J. Font, E. Isern, M. Roca, R. Picos, E. García-Moreno\",\"doi\":\"10.1109/ICCDCS.2012.6188926\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A new Q-tuning scheme for biquad OTA-C filters is presented. We have taken benefit of the advantages of the classical Phase-Locked Loop scheme to tune the center frequency and we have also applied it to Q-tuning. The unique requirement for these biquad filters is that fo-tuning and Q-tuning must be uncoupled and independent. Tunability and versatility of OTAs have been fully exploited attaining quality factors with accuracy errors smaller than 1%.\",\"PeriodicalId\":125743,\"journal\":{\"name\":\"2012 8th International Caribbean Conference on Devices, Circuits and Systems (ICCDCS)\",\"volume\":\"69 2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-03-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 8th International Caribbean Conference on Devices, Circuits and Systems (ICCDCS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICCDCS.2012.6188926\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 8th International Caribbean Conference on Devices, Circuits and Systems (ICCDCS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCDCS.2012.6188926","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A new self Q-tuning scheme for biquad OTA-C filters
A new Q-tuning scheme for biquad OTA-C filters is presented. We have taken benefit of the advantages of the classical Phase-Locked Loop scheme to tune the center frequency and we have also applied it to Q-tuning. The unique requirement for these biquad filters is that fo-tuning and Q-tuning must be uncoupled and independent. Tunability and versatility of OTAs have been fully exploited attaining quality factors with accuracy errors smaller than 1%.
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