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Proceedings Paper

The design of an advanced CCD timing generator
Author(s): Guimei Cheng; Songbo Wu; Min Wan; Bin Bao; JueQiong Deng; Jing Duan
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Paper Abstract

This paper describes how to design and develop an advanced Charge Coupled Device (CCD) timing generator which can obtain high precise CCD output signals. Above all, theory of the design and implementation of CCD timing generator is introduced based on Field Programmable Gate Array (FPGA) devices in detail. Secondly, it studies and analyzes the influencing factors that the waveform of CCD driving timing signals have on qualities of CCD output signals, which contain duty-cycle of HCCD clock, positive width of RST, signal-skew and delays among these signals. Then some skills are presented to improve and optimize the design in the phase of coding, compiling and placement and routing, which include code constraint, incremental placement and so on. Finally, simulation and verification of the design are performed with simulation tools, and hardware tests are carried out and experiment results are proved by oscilloscope.

Paper Details

Date Published: 8 October 2015
PDF: 7 pages
Proc. SPIE 9678, AOPC 2015: Telescope and Space Optical Instrumentation, 96780K (8 October 2015); doi: 10.1117/12.2199271
Show Author Affiliations
Guimei Cheng, Beijing Institute of Space Mechanics and Electricity (China)
Songbo Wu, Beijing Institute of Space Mechanics and Electricity (China)
Min Wan, Beijing Institute of Space Mechanics and Electricity (China)
Bin Bao, Beijing Institute of Space Mechanics and Electricity (China)
JueQiong Deng, Beijing Institute of Space Mechanics and Electricity (China)
Jing Duan, Beijing Institute of Space Mechanics and Electricity (China)


Published in SPIE Proceedings Vol. 9678:
AOPC 2015: Telescope and Space Optical Instrumentation
Bin Xiangli; Dae Wook Kim; Suijian Xue, Editor(s)

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