Wave-shaping and engineering realization of CCD driving signals

Yan Wang; Tao Li

doi:10.1117/12.865985

22 October 2010 Wave-shaping and engineering realization of CCD driving signals

Yan Wang, Tao Li

Proceedings Volume 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology; 76585X (2010) https://doi.org/10.1117/12.865985
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

High-speed driving signals will easily incur the substrate bounce of CCD(charge-coupled device), causing the charge transfer of CCD, which not only reduces the charge transfer efficiency but also produces dispersion. Thus the CCD imaging quality will be severely influenced. This paper introduces the classification and work principle of driving signals and elaborates the mechanism of the occurrence of the substrate bounce of CCD. Taking the characteristics of high speed driving signals into consideration, the paper provides a method to restrict the substrate bounce's disturbance to CCD signals based on the driving signal wave-shaping theory. Theoretically speaking, the driving signal wave-shaping theory may effectively restrict the substrate bounce of CCD. Moreover, the circuit simulation proves the correctness of the theory. After the wave-shaping process to CCD driving circuits, the test results of CCD signals obviously excel those without wave-shaping. The circuit test also shows that the substrate bounce's disturbance to CCD signals is effectively restricted. The test proves the feasibility of the engineering about wave-shaping, providing a scientific theory for the focal plane high-speed driving circuit design in the future.

Citation Download Citation

Yan Wang and Tao Li "Wave-shaping and engineering realization of CCD driving signals", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76585X (22 October 2010); https://doi.org/10.1117/12.865985

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KEYWORDS

Charge-coupled devices

Detection theory

Device simulation

Clocks

Analog electronics

Image quality

Capacitors

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