Frame transfer CCD driving platform using flexible integral time and pixel binning

Jiankang Zhou; Xinhua Chen; Wang Zhou; Weimin Shen

doi:10.1117/12.811967

28 January 2009 Frame transfer CCD driving platform using flexible integral time and pixel binning

Jiankang Zhou, Xinhua Chen, Wang Zhou, Weimin Shen

Proceedings Volume 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments; 715637 (2009) https://doi.org/10.1117/12.811967
Event: International Conference of Optical Instrument and Technology, 2008, Beijing, China

Abstract

Frame transfer charge-coupled device (CCD) sensors have several characteristics which are suitable for spectroscopic analysis, scientific imaging, industrial measurement and so on. A simple platform for frame transfer CCD has been developed in this paper. The platform can implement variable integral time and pixel binning which can dynamically alter the "grain size" of frame transfer CCD and correspondingly alter the "photographic speed" of the device. With the fixed optical system and pixel size, integral time changing and pixel binning can allow adjusting the dynamic range to suit the source intensity. The integral time Elongation can detect the low intensity of the scene but depress the recognition of the moving objects. Pixel binning can intensify the capability of charge collection and further reduce CCD Readout noise. The platform we design can satisfy the complex and precise time sequences of CCD driving and process sequences, including CCD driving clocks, electronic shutter signal, A/D and black pixels clamp clocks and double correlation sampling clocks, pixel binning signal and so on. Images with various pixel binning and integral time have been acquired by using this platform on the CCD circuit system board which has been designed by our team.

Citation Download Citation

Jiankang Zhou, Xinhua Chen, Wang Zhou, and Weimin Shen "Frame transfer CCD driving platform using flexible integral time and pixel binning", Proc. SPIE 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments, 715637 (28 January 2009); https://doi.org/10.1117/12.811967

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