{"title":"0.5 V, 3.6µW Gm-C Butterworth低通滤波器，0.18µm CMOS工艺","authors":"V. M. Harishchandra, T. Laxminidhi","doi":"10.1109/ACQED.2012.6320480","DOIUrl":null,"url":null,"abstract":"This paper presents a low voltage, low power continuous-time (Gm-C) 4th order low pass Butterworth filter with a 3-dB bandwidth of 1MHz and capable of operating at supply voltage as low as 0.5V in 0.18 μm. The filter uses bulk-driven technique for achieving the necessary head-room. The simulation results show that the filter has a peak-to-peak signal swing of 1.2V (differential) for 1% THD and a dynamic range of 54 dB. The power consumed by the filter is 36μW when operating at a voltage of 0.5 V. The Figure of Merit (FOM) achieved by the filter is 0.05 fJ and is found to be lowest among the similar filters found in the literature.","PeriodicalId":161858,"journal":{"name":"2012 4th Asia Symposium on Quality Electronic Design (ASQED)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"0.5 V, 3 6µW Gm-C Butterworth low pass filter in 0.18µm CMOS process\",\"authors\":\"V. M. Harishchandra, T. Laxminidhi\",\"doi\":\"10.1109/ACQED.2012.6320480\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a low voltage, low power continuous-time (Gm-C) 4th order low pass Butterworth filter with a 3-dB bandwidth of 1MHz and capable of operating at supply voltage as low as 0.5V in 0.18 μm. The filter uses bulk-driven technique for achieving the necessary head-room. The simulation results show that the filter has a peak-to-peak signal swing of 1.2V (differential) for 1% THD and a dynamic range of 54 dB. The power consumed by the filter is 36μW when operating at a voltage of 0.5 V. The Figure of Merit (FOM) achieved by the filter is 0.05 fJ and is found to be lowest among the similar filters found in the literature.\",\"PeriodicalId\":161858,\"journal\":{\"name\":\"2012 4th Asia Symposium on Quality Electronic Design (ASQED)\",\"volume\":\"11 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-07-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 4th Asia Symposium on Quality Electronic Design (ASQED)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ACQED.2012.6320480\",\"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 4th Asia Symposium on Quality Electronic Design (ASQED)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ACQED.2012.6320480","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
0.5 V, 3 6µW Gm-C Butterworth low pass filter in 0.18µm CMOS process
This paper presents a low voltage, low power continuous-time (Gm-C) 4th order low pass Butterworth filter with a 3-dB bandwidth of 1MHz and capable of operating at supply voltage as low as 0.5V in 0.18 μm. The filter uses bulk-driven technique for achieving the necessary head-room. The simulation results show that the filter has a peak-to-peak signal swing of 1.2V (differential) for 1% THD and a dynamic range of 54 dB. The power consumed by the filter is 36μW when operating at a voltage of 0.5 V. The Figure of Merit (FOM) achieved by the filter is 0.05 fJ and is found to be lowest among the similar filters found in the literature.
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