Applications of ASIC in the long array column of infrared TDI detector

Han Bing; Chen Xin; Rao Peng; Lin Changqing; Sun Shengli; Li Lufang

There always exist some challenges in long array column infrared Time Delay Integration(TDI) detecting system, such as large number of channels, high noise and power dissipation. To solve those problems mentioned above, a new solution was proposed to improve the performance of infrared TDI detecting system with Application Specific Integrated Circuit(ASIC) chip(eight-channel signal conditioning chip). Meanwhile, it helped to light the weight and reduce the system volume. In the system, the noise and dissipation both reduced to half than before. The average noise of system was 1.42 mV with power of 0.73 W. More higher integration was achieved by Readout Integrated Circuit(ROIC), design complexity and workload were reduced. It provides technical support and practical foundation for micro miniaturization aerospace remote sensing satellite development.

1. Shanghai Institute of Technical Physics of Chinese Academy of Sciences,Shanghai 200083,China;

2. Key Laboratory of Infrared System Detection and Imaging Technology,Chinese Academy of Sciences,Shanghai 200083,China

Received Date: 2014-10-07

Rev Recd Date: 2014-11-17

Publish Date: 2015-06-25

Key words:

Abstract: There always exist some challenges in long array column infrared Time Delay Integration(TDI) detecting system, such as large number of channels, high noise and power dissipation. To solve those problems mentioned above, a new solution was proposed to improve the performance of infrared TDI detecting system with Application Specific Integrated Circuit(ASIC) chip(eight-channel signal conditioning chip). Meanwhile, it helped to light the weight and reduce the system volume. In the system, the noise and dissipation both reduced to half than before. The average noise of system was 1.42 mV with power of 0.73 W. More higher integration was achieved by Readout Integrated Circuit(ROIC), design complexity and workload were reduced. It provides technical support and practical foundation for micro miniaturization aerospace remote sensing satellite development.

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Reference (19)

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Applications of ASIC in the long array column of infrared TDI detector

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