{"title":"CMOS图像传感器AGC放大器的设计","authors":"Guoyi Yu, Xuecheng Zou, Le Zhang, Qiming Zou, Meijun Zheng, Jianfu Zhong","doi":"10.1109/RFIT.2012.6401605","DOIUrl":null,"url":null,"abstract":"This paper designed an automatic gain control(AGC) amplifier for CMOS Image Sensor. The AGC amplifier adopts translinear variable gain amplifier (VGA) to realize a good linearity. It detects valley to present the strength of signal, and uses a succinct adjustment circuit to control the gain of VGA. A bandgap reference not needing start-up circuit was designed for the whole system. Simulated in SMIC 0.35um CMOS, it can compressed the dynamic range of 100kHz signal from 55.32dB to 7.36dB.","PeriodicalId":187550,"journal":{"name":"2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Design of AGC amplifier for CMOS Image Sensor\",\"authors\":\"Guoyi Yu, Xuecheng Zou, Le Zhang, Qiming Zou, Meijun Zheng, Jianfu Zhong\",\"doi\":\"10.1109/RFIT.2012.6401605\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper designed an automatic gain control(AGC) amplifier for CMOS Image Sensor. The AGC amplifier adopts translinear variable gain amplifier (VGA) to realize a good linearity. It detects valley to present the strength of signal, and uses a succinct adjustment circuit to control the gain of VGA. A bandgap reference not needing start-up circuit was designed for the whole system. Simulated in SMIC 0.35um CMOS, it can compressed the dynamic range of 100kHz signal from 55.32dB to 7.36dB.\",\"PeriodicalId\":187550,\"journal\":{\"name\":\"2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)\",\"volume\":\"27 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RFIT.2012.6401605\",\"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 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFIT.2012.6401605","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This paper designed an automatic gain control(AGC) amplifier for CMOS Image Sensor. The AGC amplifier adopts translinear variable gain amplifier (VGA) to realize a good linearity. It detects valley to present the strength of signal, and uses a succinct adjustment circuit to control the gain of VGA. A bandgap reference not needing start-up circuit was designed for the whole system. Simulated in SMIC 0.35um CMOS, it can compressed the dynamic range of 100kHz signal from 55.32dB to 7.36dB.
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