{"title":"一种用于正交电流复用神经放大器的亚阈值电压阶梯整流器","authors":"Changhyuk Lee, Ben Johnson, A. Molnar","doi":"10.1109/BioCAS.2013.6679713","DOIUrl":null,"url":null,"abstract":"We demonstrate an inductively powered, orthogonal current-reuse multi-channel amplifier for power-efficient neural recording. The power rectifier uses the input swing as a self-synchronous charge pump, making it a fully passive, full-wave ladder rectifier. The rectifier supplies 10.37μW at 1.224V to the multi-channel amplifier, which includes bias generation. The prototype device is fabricated in a TSMC 65nm CMOS process, with an active area of 0.107mm2. The maximum measured power conversion efficiency (PCE) is 16.58% with a 184mV input amplitude.","PeriodicalId":344317,"journal":{"name":"2013 IEEE Biomedical Circuits and Systems Conference (BioCAS)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A sub-threshold voltage ladder rectifier for orthogonal current-reuse neural amplifier\",\"authors\":\"Changhyuk Lee, Ben Johnson, A. Molnar\",\"doi\":\"10.1109/BioCAS.2013.6679713\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We demonstrate an inductively powered, orthogonal current-reuse multi-channel amplifier for power-efficient neural recording. The power rectifier uses the input swing as a self-synchronous charge pump, making it a fully passive, full-wave ladder rectifier. The rectifier supplies 10.37μW at 1.224V to the multi-channel amplifier, which includes bias generation. The prototype device is fabricated in a TSMC 65nm CMOS process, with an active area of 0.107mm2. The maximum measured power conversion efficiency (PCE) is 16.58% with a 184mV input amplitude.\",\"PeriodicalId\":344317,\"journal\":{\"name\":\"2013 IEEE Biomedical Circuits and Systems Conference (BioCAS)\",\"volume\":\"25 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-12-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 IEEE Biomedical Circuits and Systems Conference (BioCAS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/BioCAS.2013.6679713\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE Biomedical Circuits and Systems Conference (BioCAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/BioCAS.2013.6679713","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A sub-threshold voltage ladder rectifier for orthogonal current-reuse neural amplifier
We demonstrate an inductively powered, orthogonal current-reuse multi-channel amplifier for power-efficient neural recording. The power rectifier uses the input swing as a self-synchronous charge pump, making it a fully passive, full-wave ladder rectifier. The rectifier supplies 10.37μW at 1.224V to the multi-channel amplifier, which includes bias generation. The prototype device is fabricated in a TSMC 65nm CMOS process, with an active area of 0.107mm2. The maximum measured power conversion efficiency (PCE) is 16.58% with a 184mV input amplitude.
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