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数字下变频器GC1012B原理及配置方法
引用本文:薛王伟,伍波.数字下变频器GC1012B原理及配置方法[J].电子工程师,2006,32(4):21-23.
作者姓名:薛王伟  伍波
作者单位:1. 解放军电子工程学院305教研室,安徽省,合肥市,230037
2. 解放军驻七八四厂军代表室,四川省,成都市,610051
摘    要:数字下变频技术是软件无线电的一项核心技术,其性能的好坏直接影响数字接收机的精度。GC1012B是美国TI公司推出的新型数字下变频器。文中从GC1012B的结构特点和内部功能框图出发,分析其工作原理,并介绍GC1012B几个主要寄存器的配置方法,从而实现对频率、滤波模式、增益大小等参数的设置。最后给出了一个具体配置实例作为参考。

关 键 词:数字下变频  GC1012B  配置
收稿时间:2005-08-16
修稿时间:2006-01-21

Principle and Configuration of Digital Down-conveter Chip GC1012B
XUE Wang-wei,WU Bo.Principle and Configuration of Digital Down-conveter Chip GC1012B[J].Electronic Engineer,2006,32(4):21-23.
Authors:XUE Wang-wei  WU Bo
Affiliation:1. Institute of Electronic Engineering of PLA, Hefei 230037, China ; 2. Military Representative Office of PLA in the 784th Factory, Chengdu 610051, China
Abstract:DDC is a key technology in Soft Radio.It performance influences the digital receiver precision directly.GC1012B is a digital down-converter chip produced by TI company.This paper introduces the GC1012B principles through discussing its structure and functional diagram,and introduces as well several main registers in order to implement its frequency,filtering mode and gain adjustment etc.A configuration example is given for reference at last.
Keywords:digital down-converter  GC1012B  configuration  
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