{"title":"A Low-Frequency LPF with Programmable Gain and Tunable Cut-off Frequency","authors":"E. I. Barros, O. J. Cinco-Izquierdo, M. T. Sanz","doi":"10.1109/MWSCAS47672.2021.9531864","DOIUrl":null,"url":null,"abstract":"This paper presents a first-order low-pass filter with tunable cut-off frequency and programmable gain. The proposed circuit is based on a super-source follower transconductor, with a current steering second stage. The circuit was designed in a standard 0.18µm CMOS process with a power consumption of 2.99µW for a power supply of 1.8V . The filter shows a tunable frequency from 560 Hz to 22 kHz, with programmable gain from 6 to 20 dB.","PeriodicalId":6792,"journal":{"name":"2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS)","volume":"31 1","pages":"424-427"},"PeriodicalIF":0.0000,"publicationDate":"2021-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSCAS47672.2021.9531864","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents a first-order low-pass filter with tunable cut-off frequency and programmable gain. The proposed circuit is based on a super-source follower transconductor, with a current steering second stage. The circuit was designed in a standard 0.18µm CMOS process with a power consumption of 2.99µW for a power supply of 1.8V . The filter shows a tunable frequency from 560 Hz to 22 kHz, with programmable gain from 6 to 20 dB.
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