低噪声CMOS图像传感器的研究

Study on Low Noise Detector

近年来CMOS图像传感器在医疗和工业CT等领域中得到了越来越广泛的应用。作为CMOS图像传感器的前端处理电路,多通道积分器阵列的性能参数直接决定了传感器的成像质量并成为该领域的研究热点。本文的主要研究内容是低噪声探测器的研究。对芯片的测试结果表明,低噪声探测器的电路设计和版图设计均取得初步成功,基本达到预期的设计目标。

With the advance of semiconductor technology and the development of multimedia techniques, CMOS image sensor is extensively used in medical and other industrial fields. Integrator array is the front-end processing circuit of CMOS image sensor, whose performance directly determines the image quality generated by the sensor. Currently, the integrator array already become one research hot spot. The main works of this article focused on the low noise detector design and implementation. The test results show that the expected goals of the chip can be met.