{"title":"A high-speed, low input current CMOS integrated front end for multi-spectral photodiode arrays","authors":"F. Nabki, M. Boukadoum","doi":"10.1109/NEWCAS.2011.5981218","DOIUrl":null,"url":null,"abstract":"A low current front end trans-impedance amplifier (TIA) switching bank for multi-spectral photodiode (PD) arrays is presented. The design mitigates PD capacitance effects by using a gm-boosted input common-gate stage. Simulation results show that a bandwidth of 97 MHz can be reached with a maximal gain of 7.53 MΩ with a tuning range of 24 dB. The system is suited to low PD currents as its total input referred rms current noise over a 100 MHz bandwidth is of 41 nA.","PeriodicalId":271676,"journal":{"name":"2011 IEEE 9th International New Circuits and systems conference","volume":"30 45","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE 9th International New Circuits and systems conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NEWCAS.2011.5981218","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
A low current front end trans-impedance amplifier (TIA) switching bank for multi-spectral photodiode (PD) arrays is presented. The design mitigates PD capacitance effects by using a gm-boosted input common-gate stage. Simulation results show that a bandwidth of 97 MHz can be reached with a maximal gain of 7.53 MΩ with a tuning range of 24 dB. The system is suited to low PD currents as its total input referred rms current noise over a 100 MHz bandwidth is of 41 nA.
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