锁相环CD4046的应用设计及研究  

The Application Design and Study of Phase-Locked Loop CD4046

作　　者：曾素琼[1] 

机构地区：[1]嘉应学院电子信息工程学院,广东梅州514015

出　　处：《电子质量》2012年第1期72-75,共4页Electronics Quality

摘　　要：讨论锁相环的原理及应用,设计基于锁相环CD4046的锁相频率合成器和鉴频电路,对电路作了实验验证和分析。该设计电路简单实用,能较好地说明锁相环的应用设计过程及优势,利于对锁相环应用的研究。In this paper,phase locked loop is discussed of the principle and application,PLL frequency synthesizer and frequency discrimination circuit based on PLL CD4046 are designed.Finally,experimental verification and analyzed of the system were made.The design has the advantades of simple constructure and practical circuit,to better illustrate the application of phase-locked loop design process and advantage,conducive to the PLL application research.

关 键 词：锁相环 压控振荡器(VCO) 锁相频率合成器 鉴频 

分 类 号：TN74[电子电信—电路与系统]