国家高技术研究发展计划(2008AA010702)

作品数:6被引量:2H指数:1
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相关作者:许俊任俊彦苟曦李怡然陈建球更多>>
相关机构:复旦大学更多>>
相关期刊:《Journal of Semiconductors》《复旦学报(自然科学版)》更多>>
相关主题:LOW-POWERΣΔ调制器电源电压低功耗低电压更多>>
相关领域:电子电信电气工程更多>>
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A fourth-order bandwidth-reconfigurable delta-sigma modulator for audio applications
《Journal of Semiconductors》2012年第7期74-79,共6页王俊乾 杨海峰 魏蕊 许俊 任俊彦 
supported by the National High Technology Research and Development Program of China(No.2008AA0 10702);the National Science & Technology Major Projects,China(No.2009ZX03007-002-02)
A single loop fourth-order delta-sigma modulator is presented for audio applications. A reconfigurable mechanism is adopted for two bandwidth-based modes (8 kHz/16 kHz). Manufactured in the SM1C 0.13μm CMOS mixed s...
关键词:delta-sigma modulator feedforward architecture RECONFIGURATION switched capacitor bootstrappedswitch 
A 12-bit 40-MS/s SHA-less pipelined ADC using a front-end RC matching technique被引量:1
《Journal of Semiconductors》2011年第1期85-89,共5页范明俊 任俊彦 舒光华 过瑶 李宁 叶凡 许俊 
Project supported by the National High Technology Research and Development Program of China(No.2008AA010702)
A12-Bit 40-MS/s pipelined analog-to-digital converter (ADC) incorporates a front-end RC constant matching technique and a set of front-end timing with different duty cycle that are beneficial for enhancing linearity...
关键词:analog-to-digital converter opamp-sharing RC matching SHA-less LOW-POWER 
Design of an analog front-end for ambulatory biopotential measurement systems
《Journal of Semiconductors》2010年第10期92-98,共7页王佳桢 许俊 郑立荣 任俊彦 
Project supported by the National High Technology Research and Development Program of China(No.2008AA010702)
A continuously tunable gain and bandwidth analog front-end for ambulatory biopotential measurement systems is presented. The front-end circuit is capable of amplifying and conditioning different biosignals. To optimiz...
关键词:analog front-end biopotential measurement system LOW-POWER LOW-NOISE 
A 1-V 60-μW 85-dB dynamic range continuous-time third-order sigma-delta modulator被引量:1
《Journal of Semiconductors》2009年第12期118-122,共5页李渊文 齐达 董一枫 许俊 任俊彦 
supported by the National High Technology Research and Development Program of China(No.2008AA010702)
A 1-V third order one-bit continuous-time(CT) EA modulator is presented. Designed in the SMIC mixedsignal 0.13-μm CMOS process, the modulator utilizes active RC integrators to implement the loop filter. An efficien...
关键词:analog-to-digital converter continuous-time filter LOW-POWER LOW-VOLTAGE sigma-delta modulation 
一种双采样38-μ W92-dB8-kHz带宽ΣΔ调制器被引量:1
《复旦学报(自然科学版)》2009年第4期517-522,526,共7页齐达 李渊文 叶凡 许俊 任俊彦 李宁 
国家“八六三”高技术研究发展计划资助项目(2008AA010702);国家重点实验室自主重点资助项目(ZD20080102)
提出了一种应用于助听器的单环3阶开关电容ΣΔ调制器,采用双采样技术通过提高过采样率来改善调制器的性能,详细分析了双采样中电容失配的影响.为进一步降低功耗,OTA采用了class-AB结构,并对后级的运放进行了缩放.采用栅压自举技术消除...
关键词:双采样 ∑△调制器 低压低功耗 
一个0.9V电源电压16位300μW音频ΣΔ调制器
《复旦学报(自然科学版)》2008年第6期763-768,共6页苟曦 李怡然 陈建球 许俊 任俊彦 
国家"八六三"计划资助项目(2008AA010702)
设计了一个应用于0.9 V电源电压,精度达16 bit,功耗仅为300μW的音频ΣΔ调制器.调制器采用了前馈单环三阶结构,以降低整个调制器的功耗;并采用时钟自举电路以实现低电压下CMOS开关的良好导通.芯片采用SMIC 0.18μm一层多晶六层金属工...
关键词:ΣΔ调制器 高精度 低电压 低功耗 
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