Abstract
This technology is mainly focused on the charge coupled device (CCD)TCD2964BFG as image sensor and using AD9826 as sampling chip, which introduces a design of driving and sampling circuit based on the FPGA of Altera Corporation. It discusses the design of driving and control timing by using FPGA chip EP4CE30F23C7N technology. Then it describes the design of the CCD driver board and the CCD mounting board in detail. This is a pivotal design to high-precision measurement, color image scanning and so on. Its highest accuracy can be reached 4800DPI with high resolution when it works and its output signal can be more reliable, more stable by being processed by AD9826, so it is very important for high-precision measurement, color image scanning ,etc. While making it into sub-circuit board physical model by using integrated circuit form, meanwhile, it’s very convenient to connect with a variety of FPGA core boards and it can be applied on various occasions by outgoing interface signals. The design is known for its flexibility, high integration, easy to update, convenient to apply and so on. The observed results indicate that the design of driving timing and circuit can meet the normal demands for the color linear CCD.
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