{"title":"低压数字控制差分缓冲放大器","authors":"D. Prasertsom, W. Tangsrirat, W. Surakampontorn","doi":"10.1109/APCCAS.2008.4746210","DOIUrl":null,"url":null,"abstract":"A low-voltage digitally controlled current differencing buffered amplifier (DC-CDBA) is proposed. The realization scheme is through the cascade connection of a current differencing circuit, a current division network (CDN) and a buffered voltage amplifier. To achieve the digital control of the current gain of the circuit, a novel CDN is also proposed. The proposed DC-CDBA can operate with the low supply voltage of plusmn1.25 V. PSPICE simulations using standard 0.5-mum CMOS process parameters are in agreement with the theory.","PeriodicalId":344917,"journal":{"name":"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems","volume":"37 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Low-voltage digitally controlled current differencing buffered amplifier\",\"authors\":\"D. Prasertsom, W. Tangsrirat, W. Surakampontorn\",\"doi\":\"10.1109/APCCAS.2008.4746210\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A low-voltage digitally controlled current differencing buffered amplifier (DC-CDBA) is proposed. The realization scheme is through the cascade connection of a current differencing circuit, a current division network (CDN) and a buffered voltage amplifier. To achieve the digital control of the current gain of the circuit, a novel CDN is also proposed. The proposed DC-CDBA can operate with the low supply voltage of plusmn1.25 V. PSPICE simulations using standard 0.5-mum CMOS process parameters are in agreement with the theory.\",\"PeriodicalId\":344917,\"journal\":{\"name\":\"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems\",\"volume\":\"37 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APCCAS.2008.4746210\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCCAS.2008.4746210","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
摘要
提出了一种低压数字控制差分缓冲放大器(DC-CDBA)。其实现方案是将差流电路、分流网络(CDN)和缓冲电压放大器级联起来。为了实现电路电流增益的数字控制，还提出了一种新的CDN。所提出的dc - cba可以在+ 1.25 V的低电源电压下工作。采用标准0.5 μ m CMOS工艺参数的PSPICE仿真与理论一致。
Low-voltage digitally controlled current differencing buffered amplifier
A low-voltage digitally controlled current differencing buffered amplifier (DC-CDBA) is proposed. The realization scheme is through the cascade connection of a current differencing circuit, a current division network (CDN) and a buffered voltage amplifier. To achieve the digital control of the current gain of the circuit, a novel CDN is also proposed. The proposed DC-CDBA can operate with the low supply voltage of plusmn1.25 V. PSPICE simulations using standard 0.5-mum CMOS process parameters are in agreement with the theory.
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