Laser & Optoelectronics Progress, Volume. 62, Issue 5, 0522003(2025)

Digital Module for Infrared Readout Circuits with Configurable Timing Intellectual Property Cores

Kairui Yang1,2、*, Yiqiang Zhao1,2, Yao Li1,2, and Shubo Zhang1,2
Author Affiliations
  • 1School of Microelectronics, Tianjin University, Tianjin 300072, China
  • 2Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, Tianjin 300072, China
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    Figures & Tables(14)
    Architecture of readout circuit chip
    Architecture of configurable timing IP core
    Diagram of IP core internal connection relationship
    Diagram of configurable timing implementation method
    Simulation results of control timing. (a) Default timing; (b) timing after configuration modification
    Diagrams of row-column address switching. (a) Column address; (b) row address
    Simulation results of 32×32 window configuration
    Data transmission flowchart
    Diagrams of data bit-width conversion. (a) 21.0 MHz clock domain data schematic diagram; (b) 52.5 MHz clock domain data schematic diagram
    Simulation results of data processing circuit
    MPW test system. (a) Micrograph of MPW verification chip; (b) test platform for MPW chip
    Oscilloscope capture of control signal waveform
    Imaging results of filament under different integration times. (a) 5 ms; (b) 10 ms; (c) 20 ms; (d) 30 ms
    Imaging results of filament under different window configurations. (a) 40×20 window; (b) 30×40 window
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    Kairui Yang, Yiqiang Zhao, Yao Li, Shubo Zhang. Digital Module for Infrared Readout Circuits with Configurable Timing Intellectual Property Cores[J]. Laser & Optoelectronics Progress, 2025, 62(5): 0522003

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Jun. 5, 2024

    Accepted: Jul. 12, 2024

    Published Online: Mar. 14, 2025

    The Author Email:

    DOI:10.3788/LOP241432

    CSTR:32186.14.LOP241432

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