The important part in photoelectric transform circuits is design of driving circuits and signal processing circuits about linear ccd . the time order driving circuit of ccd are designed and debugged with cpld ( complicated programmable logic device ) , which make the whole driving circuit ' s volume very small , shorten design period , modify design at any time , and enhance reliability and agility of circuit 在设计过程中，采用了一种复杂可编程逻辑器件( cpld )设计线阵ccd驱动脉冲电路的新方法，只对器件进行重新编程，在不改变任何硬件的情况下，就可以实现驱动器的更新换代，非常适合线阵ccd脉冲产生电路的设计研究，具有高集成度、高可靠性、开发时间短、投资少等优点。
