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A photoelectric array detector readout circuit

A photoelectric array and readout circuit technology, applied in TV, electrical components, color TV, etc., can solve the problems of reducing the real-time performance of the measurement system, unable to quickly measure signals, etc., to increase flexibility and scalability, eliminate charge accumulation, Avoid mutual interference effects

Active Publication Date: 2022-02-15
DALIAN UNIV OF TECH
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Problems solved by technology

However, due to the influence of distributed capacitance caused by wiring, the capacitance cannot be reduced infinitely. The sensitivity of the amplifier circuit can only be improved by extending the integration time, which reduces the real-time performance of the measurement system and cannot quickly measure the signal.

Method used

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  • A photoelectric array detector readout circuit
  • A photoelectric array detector readout circuit
  • A photoelectric array detector readout circuit

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Embodiment Construction

[0023] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0024] A kind of photoelectric array detector readout circuit of the present invention, comprises photoelectric array 3, signal processing circuit PCB board and FPGA development board 1; Power supply module, DAC module 2, gating module, signal amplification module, filter module, ADC module 10 , integrated on the signal processing circuit PCB board through proper layout and routing. Wherein, the FPGA development board 1 and the power module of the signal processing circuit PCB board need an external regulated power supply for power supply. During work, the FPGA development board 1 is connected with the acquisition card through the Camera Link interface, and the acquisition card is installed on the host computer main board.

[0025] Described FPGA development board 1 is a commercial FPGA development board, ...

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Abstract

The present invention relates to the technical field of photoelectric array reading, in particular to a photoelectric array detector readout circuit, including a photoelectric array, a signal processing circuit PCB board and an FPGA development board; Connect to the signal processing circuit PCB board, the signal processing circuit PCB board is connected to the FPGA development board through a board-to-board connector or flexible cable; the signal processing circuit PCB board is integrated with a power module, DAC module, gating module, and signal amplification module , a filtering module and an ADC module; the present invention can directly perform high-gain, low-noise I-V conversion to the photocurrent generated by the photoelectric array and complete data acquisition.

Description

technical field [0001] The invention relates to the technical field of photoelectric array reading, in particular to a photoelectric array detector readout circuit. Background technique [0002] Due to its small size, light weight, fast response, high sensitivity, and easy integration with other semiconductor devices, semiconductor photodetectors are ideal detectors for light sources and can be widely used in imaging, optical communications, solar energy harvesting, remote sensing, photoelectric storage, and environmental surveillance and military reconnaissance. In recent years, optoelectronic materials such as organic materials, nanomaterials, and nanocomposites have shown great potential for simple, low-cost, flexible, and large-area photodetectors. [0003] At present, digital image sensors that directly capture image information as digital signals are the main technology of image sensing. In principle, photoelectric detection technology can detect all non-electrical qu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/378H04N5/357
CPCH04N25/60H04N25/75
Inventor 宋金会张西京王志立李子兴柳永博孟德峰
Owner DALIAN UNIV OF TECH
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