{"title":"采用运算跨阻放大器的正交振荡器","authors":"C. Pittala, Avireni Srinivasulu","doi":"10.1109/AE.2014.7011681","DOIUrl":null,"url":null,"abstract":"Quadrature oscillator based on the operational transresistance amplifier (OTRA) is presented in this paper. The proposed quadrature oscillator circuit uses two OTRAs as main active building blocks and a few external passive components to generate the oscillations. The circuit provides independent control over the condition of oscillation and frequency of oscillation. A prototype circuit is implemented on a laboratory breadboard using commercially available current feedback operational amplifier ICs (AD844 AN) and passive components are connected externally and tested for waveform generation. Both the SPICE simulation and experimental results are given to verify the theoretical analysis.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"29","resultStr":"{\"title\":\"Quadrature oscillator using operational transresistance amplifier\",\"authors\":\"C. Pittala, Avireni Srinivasulu\",\"doi\":\"10.1109/AE.2014.7011681\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Quadrature oscillator based on the operational transresistance amplifier (OTRA) is presented in this paper. The proposed quadrature oscillator circuit uses two OTRAs as main active building blocks and a few external passive components to generate the oscillations. The circuit provides independent control over the condition of oscillation and frequency of oscillation. A prototype circuit is implemented on a laboratory breadboard using commercially available current feedback operational amplifier ICs (AD844 AN) and passive components are connected externally and tested for waveform generation. Both the SPICE simulation and experimental results are given to verify the theoretical analysis.\",\"PeriodicalId\":149779,\"journal\":{\"name\":\"2014 International Conference on Applied Electronics\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"29\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2014 International Conference on Applied Electronics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/AE.2014.7011681\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 International Conference on Applied Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/AE.2014.7011681","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Quadrature oscillator using operational transresistance amplifier
Quadrature oscillator based on the operational transresistance amplifier (OTRA) is presented in this paper. The proposed quadrature oscillator circuit uses two OTRAs as main active building blocks and a few external passive components to generate the oscillations. The circuit provides independent control over the condition of oscillation and frequency of oscillation. A prototype circuit is implemented on a laboratory breadboard using commercially available current feedback operational amplifier ICs (AD844 AN) and passive components are connected externally and tested for waveform generation. Both the SPICE simulation and experimental results are given to verify the theoretical analysis.
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