基于mpc97h73的简介及电路设计报告.doc

基于MPC97H73的简介及电路设计报告

本文共计24页，7908字；

摘要
简要介绍介绍了低压时钟发生器MPC97H73的功能、内部结构、引脚排列及典型的应用电路. MPC97H73是3.3v兼容的,1:12PLL基于分配在中频段到高性能网络,计算和电信系统的高性能,低失真的时钟发生器. 输出频率高达240兆赫,输出量的失真小于250每秒,符合应用需要的最严格的时钟要求.

关键字： 时钟发生器，锁相环技术，外部环路滤波器，反馈

Abstract
It briefly introduced The low-voltage clock generator MPC97H73 microcontroller function, internal structure, pin array and typical apply circuit. The MPC97H73 is a 3.3V compatible, 1:12 PLL based clock generator targeted for high performance low-skew clock distribution1 in mid-range to high-performance networking,
目录
一.MPC97H73芯片简介...............................................................................4
1芯片特点.....................................................................................................................4
2芯片功能描述.............................................................................................................4
二.芯片封装与引脚功能..................................................................................5
三. 内部结构与工作原理..............................................................................11
1. MPC97H73的结构..................................................................................................11
2. MPC97H73的输出时钟截止电路..........................................................................13
3. SYNC输出描述.......................................................................................................14
4. 电源滤波..................................................................................................................15
四.应用电路设计................................................................................................15
1. 在零延迟应用软件中使用MPC97H93.................................................................15
2. 部分到部分的失真计算..........................................................................................16
3. 驱动传输线路..........................................................................................................18
五. 外型尺寸(52脚LQFB封装).............................................................22
六. 总结...................................................................................................................24
七.参考文献............................................................................................................24
参考文献
刘午平 张文. 《英汉电子电路词典》 国防工业出版社
黄智伟．《频集成电路芯片原理与应用电路设计》 电子工业出版社
陈邦媛. 《射频通信电路》 科学出版社