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Theoretical investigation on input properties of DI and CTIA readout integrated circuit

机译:DI和CTIA读出集成电路输入特性的理论研究

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摘要

Advanced hybrid infrared focal plane arrays consist of a semiconductor pho-todetector chip bump-bonded to a silicon CMOS readout integrated circuit (ROIC). Among a number of readout structures of ROICs, the direct injection (DI) and the capacitor feedback transimpedance amplifier (CTIA) are widely used. In this paper the input properties, especially injection efficiency, of DI and CTIA are discussed respectively based on their structures. The injection efficiency of DI is relevant to injection current and is low at small background photocurrent; however, the DI enables an ultralow power consumption due to its simple structure. The injection efficiency of the CTIA is independent of injection current and is high even at low background photocurrent, but the power dissipation of the CTTA is comparatively higher than that of the DI due to its more complex structure.
机译:先进的混合红外焦平面阵列由凸点结合到硅CMOS读出集成电路(ROIC)的半导体光电探测器芯片组成。在ROIC的许多读出结构中,直接注入(DI)和电容器反馈跨阻放大器(CTIA)被广泛使用。本文分别基于DI和CTIA的结构,讨论了它们的输入特性,尤其是注入效率。 DI的注入效率与注入电流有关,在小背景光电流下较低。但是,DI的结构简单,因此功耗极低。 CTIA的注入效率与注入电流无关,即使在背景光电流较低的情况下也很高,但由于CTTA的结构更为复杂,因此其功耗要比DI高。

著录项

  • 来源
    《Optical and quantum electronics》 |2016年第3期|185.1-185.7|共7页
  • 作者单位

    Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China,University of Chinese Academy of Sciences, Beijing 100039, China,Henan University of Science and Technology, Luoyang 471023, China;

    Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;

    Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;

    Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;

    Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;

    Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;

    Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    IRFPA; DI; CTIA; Injection efficiency;

    机译:IRFPA;在;CTIA;注射效率;

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