基于CPLD的数字语音通信中复分接的设计  

Realization of Multiplexing and Demultiplexing Circuit with CPLD in Digital Audio Communication System

作　　者：梁康[1] 郑建生[1] 黄海波[1] 

机构地区：[1]武汉大学电子信息学院,湖北武汉430079

出　　处：《电声技术》2004年第8期38-40,45,共4页Audio Engineering

摘　　要：介绍了在数字语音通信中,利用在系统可编程技术和复杂可编程逻辑器件CPLD,实现数字语音的复接和 分接;对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。With the In-System programmable technology and Complex Programmable Logic Device (CPLD),this paper has discussed the realization of multiplexing and demultiplexing in digital audio communication system. The digital realization of monostable circuit and extraction of bit-synchronous signal with digital phase lock loop are also introduced in detail.

关 键 词：复接/分接 复杂可编程逻辑器件 位同步 数字锁相环 

分 类 号：TN914.33[电子电信—通信与信息系统]