基于AD6652的数字电视基带解调器设计  

Design of the DTV Baseband Demodulator with AD6652

作　　者：吴劲松[1] 

机构地区：[1]北京经济管理职业学院,北京102602

出　　处：《现代电子技术》2008年第2期17-18,24,共3页Modern Electronics Technique

摘　　要：通过分析AD6652的主要性能,提出AD6652在数字电视基带解调器设计中的应用方法。首先提出硬件设计方案,介绍NCO及滤波器系数的设置方法,最后通过对硬件电路的实验验证,得到实验频谱。实验结果表明此设计完全能达到数字电视领域的应用要求,且具有良好的性能和应用前景。This paper puts forward the application of AD6652 in the design of the DTV baseband demodulator based on the analysis of the main features of AD6652. At first the article proposes the hardware design project then introduces the setup methods of NCO and filter coefficient,gains the experiment frequency by verifing hardware circuit. The result insures that the design can match to the practice desire in DTV field completely and has good features and prospect.

关 键 词：数字基带 数字下变频 解调 AD6652 

分 类 号：TN763[电子电信—电路与系统] TN914