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TCD1711DG-based signal acquisition system

A signal acquisition system and acquisition system technology, applied in general control systems, control/regulation systems, and optical devices to transmit sensing components, etc., can solve problems such as easy introduction of interference, many discrete components, and complex circuit structures

Inactive Publication Date: 2018-04-20
SHAANXI YUHANG ELECTRONICS
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Problems solved by technology

However, the circuit structure of this type of method is complex, there are many discrete components, and the operating frequency is limited by hardware, which is easy to introduce interference

Method used

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Embodiment Construction

[0012] A signal acquisition system based on TCD1711DG, comprising processor, acquisition system, signal processor, high-speed memory and CPLD drive circuit; described CPLD drive circuit is connected with acquisition system, signal processor, high-speed memory respectively; Described acquisition The system, the signal processor and the high-speed memory are connected sequentially, one end of the processor is connected with the high-speed memory, and the other end is connected with the signal processor.

[0013] Wherein, the acquisition system includes a photoelectric sensor, the photoelectric sensor is a two-phase linear array CCD, and the model of the two-phase linear array CCD is TCD1711DG. The model of the signal processor is AD9826. The model of the high-speed memory is IDT72V251, and the capacity is 8K × 9 b.

[0014] Photoelectric sensor, it contains 7 450 effective pixels, and the pixel size reaches 4.7 μm×4.7 μm×4.7 μm, with high sensitivity and low dark current. When ...

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Abstract

The invention relates to modern electronic technology, in particular to a signal acquisition system based on TCD1711DG. A signal acquisition system based on TCD1711DG, comprising processor, acquisition system, signal processor, high-speed memory and CPLD drive circuit; described CPLD drive circuit is connected with acquisition system, signal processor, high-speed memory respectively; Described acquisition The system, the signal processor and the high-speed memory are connected sequentially, one end of the processor is connected with the high-speed memory, and the other end is connected with the signal processor. This paper solves the complex signal processing problem of two-phase linear array CCD well, realizes the high-speed real-time acquisition and processing function of CCD signal, and has extensive application value.

Description

technical field [0001] The invention relates to modern electronic technology, in particular to a signal acquisition system based on TCD1711DG. Background technique [0002] Charge-coupled device (Charge⁃coupled Device, CCD) is a photoelectric sensor developed in the middle and late 20th century, which can convert optical signals into charge signals and output them pixel by pixel. According to the arrangement of pixels, CCD can be divided into two types: area array and line array. Due to the characteristics of high precision, low noise and fast response, linear array CCD is widely used in non-contact measurement and image scanning and other fields. [0003] The difference between the two-phase linear array CCD and the traditional linear array CCD is that it divides the converted one-dimensional charge signal into two signals of odd and even with a phase difference of 180° and outputs them in parallel, so that the data conversion rate of the CCD is compared with that of a sin...

Claims

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Application Information

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IPC IPC(8): G05B19/05G01D5/26
CPCG05B19/05G01D5/26G05B2219/15039
Inventor 郝青
Owner SHAANXI YUHANG ELECTRONICS
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