{"title":"基于时间分辨成像的128通道9ps柱并联两级TDC","authors":"S. Mandai, E. Charbon","doi":"10.1109/ESSCIRC.2011.6044929","DOIUrl":null,"url":null,"abstract":"This paper proposes a 128-channel column-parallel two-stage time-to-digital converter (TDC) utilizing a time difference amplifier (TDA) and shows measurement results with a 0.35um CMOS process. The 1st stage operates as a coarse TDC, the time residue which is not converted in the 1st stage is amplified by a TDA, then converted by the 2nd stage TDC. As the gain of the time difference amplifier can be adjusted from 8.6 to 21.6, the time resolution of the TDC can be tuned from 22.4ps to 8.9ps. The time resolution variation due to PVT effects is ±12% without compensation, however calibration can be used to compensate for this variation.","PeriodicalId":239979,"journal":{"name":"2011 Proceedings of the ESSCIRC (ESSCIRC)","volume":"500 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"24","resultStr":"{\"title\":\"A 128-channel, 9ps column-parallel two-stage TDC based on time difference amplification for time-resolved imaging\",\"authors\":\"S. Mandai, E. Charbon\",\"doi\":\"10.1109/ESSCIRC.2011.6044929\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper proposes a 128-channel column-parallel two-stage time-to-digital converter (TDC) utilizing a time difference amplifier (TDA) and shows measurement results with a 0.35um CMOS process. The 1st stage operates as a coarse TDC, the time residue which is not converted in the 1st stage is amplified by a TDA, then converted by the 2nd stage TDC. As the gain of the time difference amplifier can be adjusted from 8.6 to 21.6, the time resolution of the TDC can be tuned from 22.4ps to 8.9ps. The time resolution variation due to PVT effects is ±12% without compensation, however calibration can be used to compensate for this variation.\",\"PeriodicalId\":239979,\"journal\":{\"name\":\"2011 Proceedings of the ESSCIRC (ESSCIRC)\",\"volume\":\"500 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-10-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"24\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 Proceedings of the ESSCIRC (ESSCIRC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.2011.6044929\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 Proceedings of the ESSCIRC (ESSCIRC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.2011.6044929","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 128-channel, 9ps column-parallel two-stage TDC based on time difference amplification for time-resolved imaging
This paper proposes a 128-channel column-parallel two-stage time-to-digital converter (TDC) utilizing a time difference amplifier (TDA) and shows measurement results with a 0.35um CMOS process. The 1st stage operates as a coarse TDC, the time residue which is not converted in the 1st stage is amplified by a TDA, then converted by the 2nd stage TDC. As the gain of the time difference amplifier can be adjusted from 8.6 to 21.6, the time resolution of the TDC can be tuned from 22.4ps to 8.9ps. The time resolution variation due to PVT effects is ±12% without compensation, however calibration can be used to compensate for this variation.
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