便携调频收音机的设计  

Design of Portable FM Receiver

作　　者：叶泽刚[1] 孙龙杰[1] 杨波[1] 

机构地区：[1]西安科技大学,陕西西安710054

出　　处：《电声技术》2006年第5期41-44,共4页Audio Engineering

摘　　要：介绍了调频接收电路理论和自动调谐的原理,提出了基于TEA5767HN调频收音机解决方案。主要介绍了该芯片的特点、引脚功能、工作原理并给出了其在便携产品开发中的硬件设计和软件流程。The FM receiver circuit theory and automatic-search principles are discussed. The solution based on the chip TEA5767HN, which is a single-chip electronically tuned FM stereo radio for portable audio device, is put forward. The features, functions and the principles of the chip TEA5767HN are given. Finally, the hardware design and software flow in the development of the portable product are presented.

关 键 词：频率合成 锁相环 自动搜索 立体声解调 I2C 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] TN912.34[自动化与计算机技术—计算机科学与技术]