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Proceedings Paper

A new design of signal processing system for TDI infrared focal plane array
Author(s): Hua Wang; Zhiyong Wei; Ning Lei; Xu Wang; WenYu Zhang; Tao Li
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Paper Abstract

In this paper, according to the characteristics of TDI infrared focal plane array output signal, a novel signal processing system based on AC coupling technology is proposed. Firstly, the output signal characteristics of TDI infrared focal plane array are analyzed. Secondly, the signal processing system based on AC-coupled technology is introduced. The designed system is consist of high pass filter circuit, signal conditioning circuit, differential input analog to digital converting circuit and digital data processing circuit. Thirdly, the designed system is simulated and tested. Simulation and test results show that the novel design idea of signal processing circuit is reasonable and feasible. Compared with the traditional design, the system has the characteristics of high common mode noise rejection, low temperature drift and low power consumption.

Paper Details

Date Published: 5 December 2012
PDF: 7 pages
Proc. SPIE 8562, Infrared, Millimeter-Wave, and Terahertz Technologies II, 85620Q (5 December 2012); doi: 10.1117/12.999817
Show Author Affiliations
Hua Wang, Beijing Institute of Space Mechanics and Electricity (China)
Zhiyong Wei, Beijing Institute of Space Mechanics and Electricity (China)
Ning Lei, Beijing Institute of Space Mechanics and Electricity (China)
Xu Wang, Beijing Institute of Space Mechanics and Electricity (China)
WenYu Zhang, Beijing Institute of Space Mechanics and Electricity (China)
Tao Li, Beijing Institute of Space Mechanics and Electricity (China)


Published in SPIE Proceedings Vol. 8562:
Infrared, Millimeter-Wave, and Terahertz Technologies II
Cunlin Zhang; Xi-Cheng Zhang; He Li; Sheng-Cai Shi, Editor(s)

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