包含psd阵列和片上多路复用器的距离图像传感器的设计考虑

Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134) Pub Date : 1997-05-12 DOI:10.1109/IM.1997.603843

M. D. Bakker, P. Verbeek, G. Steenvoorden

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引用次数: 7

摘要

本文介绍了一种用于光片距离成像的距离图像传感器psd芯片。图像传感器由128个位置敏感检测器(PSD)组成，长度为20毫米，间距为28 /spl μ /m。讨论了图像传感器的设计考虑因素，以及片上电子器件。片上电子元件由模拟部分和数字部分组成。模拟前置放大器对传感器信号进行低通滤波，以减小噪声带宽。数字部分由模拟电流多路复用器组成，采用ECL技术实现。我们的目标是在12位分辨率下实现2 MHz范围/频率。

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Design considerations for a range image sensor containing a PSD-array and an on-chip multiplexer

In the present paper we introduce a range image sensor, the PSD-chip, designed for sheet of light range imaging. The image sensor consists of an array of 128 Position Sensitive Detector (PSD)-strips with a 20 mm length and a 28 /spl mu/m pitch. Design considerations for the image sensor are discussed, as well as the on-chip electronics. The on-chip electronics consists of an analog part and a digital part. The analog preamplifiers deal with the low-pass filtering of the sensor-signals in order to reduce the noise bandwidth. The digital part consists of an analog current multiplexer, implemented in ECL technology. Our goal is to achieve a 2 MHz range/frequency at 12 bits resolution.

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Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134)

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