一种上变频技术在非全波段收信机中的应用  

An Application of One Up-converter Technology in Non-all Band Receiver

作　　者：朱震 陈文华 

出　　处：《通信与广播电视》2002年第4期6-12,共7页Communication & Audio and Video

摘　　要：本文介绍一种解决非全波段收信机接收VLF波段的设计方案，详细介绍上变频模块的组成及功能，并给出相应的示意图。这种变频设计具有调试简单、成本低廉等特点。The paper gives an introduction to a design proposal for the solution to the reception of very low fre-quencies by a non-all band receiver. Details is focused on the configuration and functions of this up-con-verter module including its illustration. This up-converter features simple and lower cost.

关 键 词：上变频技术 非全波段 收信机 DDS 乘法器 VLF波段 接收机 

分 类 号：TN85[电子电信—信息与通信工程]