应用于高速串行收发器的CDR电路的设计

The Design of CDR Circuit Used in High Speed Serdes

时钟数据恢复(CDR)电路是高速数据传输系统的重要组成部分。文章介绍了一种半数字二阶时钟数据恢复电路的基本结构、工作原理和设计方法,并进行了仿真和验证,结果表明,电路能够满足系统设计要求。

Clock Date Recovery（CDR） circuit is an important part of high speed data transmission system.In this paper,the basic structure and working principle of a semi-digital dual loop CDR circuit is introduced.Besides,the method of design is put forward.At last,the simulation is done and the simulation results show that this circuit meets the requirement of the system.