A Non-linear Circuit Model of A Self Scanned Photodiode Array Image Sensor
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TP212.14 TN364

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    Abstract:

    A non-linear circuit model of photodiode built according to the working principle of self-scanned photodiode array image sensor is presented for improving the property of the sensor. Through the analysis of the non_linear circuit model,we get the state equations, and the equations are resolved with Runge_Kutta algorithm. The Runge_Kutta algorithm is realized in C language, and the numeric result of the circuit is obtained. The analysis of the numeric result of the model shows that the non_linear performance of the sensor can be improved by reducing the capcitor of the PN junction and the dynamic performance of the image sensor can be enhanced by paralleling capacitor C M , and all the analysis is consistent with the real measurement results of the sensor. The circuit model of photodiode is improved over previous model.

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刘宗行 刘晓明 等. SSPA图像传感器的非线性电路模型[J].重庆大学学报,2002,25(9):1~4

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  • Revised:May 16,2002
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