国家自然科学基金(60976030)

作品数：9被引量：10H指数：2
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相关作者：高静徐江涛姚素英更多>>
相关机构：天津大学更多>>
相关期刊：《Transactions of Tianjin University》《Journal of Semiconductors》《电路与系统学报》更多>>
相关主题：CMOS_IMAGE_SENSORPIXELIMAGEPHOTODIODELAG更多>>
相关领域：自动化与计算机技术电子电信更多>>
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Full well capacity and quantum efficiency optimization for small size backside illuminated CMOS image pixels with a new photodiode structure被引量：4
《Journal of Semiconductors》2012年第12期42-48,共7页孙羽 张平 徐江涛 高志远 徐超 
Project supported by the National Natural Science Foundation of China(Nos.61036004,60976030)
To improve the full well capacity （FWC） of a small size backside illuminated （BSI） CMOS image sensor （CIS）, the effect of photodiode capacitance （Cpo） on FWC is studied, and a reformed pinned photodiode （PPD...
关键词：backside illuminated CMOS image sensor PHOTODIODE full well capacity quantum efficiency small size pixel 
Collection efficiency and charge transfer optimization for a 4-T pixel with multi n-type implants被引量：2
《Journal of Semiconductors》2011年第12期91-94,共4页李伟平 徐江涛 徐超 李斌桥 姚素英 
Project supported by the National Natural Science Foundation of China(Nos.61036004,60976030)
In order to increase collection efficiency and eliminate image lag, multi n-type implants were introduced into the process of a pinned-photodiode. For the purpose of improving the collection efficiency, multi n-type i...
关键词：CMOS image sensor PHOTODIODE collection efficiency charge transfer image lag 
High Speed Column-Parallel CDS/ADC Circuit with Nonlinearity Compensation for CMOS Image Sensors
《Transactions of Tianjin University》2011年第2期79-84,共6页姚素英 杨志勋 赵士彬 徐江涛 
Supported by National Natural Science Foundation of China (No.60806010,No.60976030)
A high speed column-parallel CDS/ADC circuit with nonlinearity compensation is proposed in this paper.The correlated double sampling (CDS) and analog-to-digital converter (ADC) functions are integrated in a threephase...
关键词：CMOS image sensor two-step single-slope ADC nonlinear offset compensation high speed low power consumption 
Reset noise reduction through column-level feedback reset in CMOS image sensors
《Journal of Semiconductors》2011年第2期137-141,共5页李斌桥 徐江涛 谢爽 孙忠岩 
Project supported by the National Natural Science Foundation of China(Nos.60806010,60976030);the Research Fund for the Doctoral Program of Higher Education of China(No.200800561111)
A low reset noise CMOS image sensor （CIS） based on column-level feedback reset is proposed. A feedback loop was formed through an amplifier and a switch. A prototype CMOS image sensor was developed with a 0.18μm CI...
关键词：CMOS image sensor reset noise feedback reset five-transistor pixel global shutter 
一种低功耗结构的ADC设计被引量：1
《电路与系统学报》2011年第1期104-107,共4页高静 姚素英 徐江涛 
国家自然科学青年基金项目(60806010);国家自然科学基金项目(60976030);天津市科技支撑计划重点项目(09ZCGYGX01100)
逐次逼近结构ADC是中速中高分辨率应用中的常见结构,其中DAC多采用电容阵列结构,但其动态功耗随分辨率的增加而增加。论文设计了一种新颖的10位ADC结构,它采用两级进行模数转换的方法,高位采用低功耗的并行模数转换结构,低位采用逐次逼...
关键词：比较器 电容阵列 动态功耗 
Area-Efficient Low Power CMOS Image Sensor Readout Circuit with Fixed Pattern Noise Cancellation被引量：2
《Transactions of Tianjin University》2010年第5期342-347,共6页赵士彬 姚素英 聂凯明 徐江涛 
Supported by National Natural Science Foundation of China (No.60806010,No.60976030);Tianjin Innovation Special Funds for Science and Technology (No.05FZZDGX00200)
A low cost of die area and power consumption CMOS image sensor readout circuit with fixed pattern noise(FPN) cancellation is proposed.By using only one coupling capacitor and switch in the double FPN cancelling correl...
关键词：imaging system image sensor low power electronic CAPACITOR operational amplifier fixed pattern noise bandwidth balance technology op-amp sharing 
Two-dimensional pixel image lag simulation and optimization in a 4-T CMOS image sensor被引量：3
《Journal of Semiconductors》2010年第9期59-63,共5页于俊庭 李斌桥 于平平 徐江涛 牟村 
supported by the National Natural Science Foundation of China(Nos.60806010,60976030);the Tianjin Innovation Special Funds for science and Technology,China(No.05FZZDGX00200)
Pixel image lag in a 4-T CMOS image sensor is analyzed and simulated in a two-dimensional model.Strategies of reducing image lag are discussed from transfer gate channel threshold voltage doping adjustment,PPD N-type ...
关键词：image lag two-dimensional simulation doping dose implant tilt CMOS image sensor 
An approach to obtain the pinch-off voltage of 4-T pixel in CMOS image sensor
《Journal of Semiconductors》2010年第7期53-56,共4页李斌桥 于俊庭 徐江涛 于平平 
Project supported by the National Natural Science Foundation of China(Nos.60806010,60976030);the Tianjin Innovation Special Funds for science and Technology,China(No.05FZZDGX00200).
An approach to obtain the pinch-off voltage of 4-T pixel in CMOS image sensor is presented.This new approach is based on the assumption that the photon shot noise in image signal is impacted by a potential well struct...
关键词：pinch-off voltage CMOS image sensor photon shot noise pixel design 
Wide dynamic range CMOS image sensor with in-pixel double-exposure and synthesis
《Journal of Semiconductors》2010年第5期73-77,共5页李斌桥 孙忠岩 徐江涛 
supported by the National Natural Science Foundation of China(Nos.60806010,60976030);the Tianjin Innovation Special Funds for Science and Technology,China(No.05FZZDGX00200).
A wide-dynamic-range CMOS image sensor（CIS） based on synthesis of a long-time and a short-time exposure signal in the floating diffusion（FD） of a five-transistor active pixel is proposed.With optimized pixel opera...
关键词：CMOS image sensor double exposure dynamic range five-transistor active pixel 
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