晶体三极管混频原理分析  

Analysis on Frequency Conversion Principle of Transistor

作　　者：陈文敏[1] 

机构地区：[1]成都纺织高等专科学校电气系,成都610023

出　　处：《成都纺织高等专科学校学报》2003年第4期9-11,共3页Journal of Chengdu Textile College

摘　　要：变频是现代通信和无线电电子线路中一种很重要的技术。分析了变频的基本原理和设计变频器的有关注意问题 ;从三极管输入回路和输出回路的信号入手 ,讨论了超外差式收音机常用的变频电路的工作原理。Frequency conversion is an important part in modern electronic communication connection technology. Taking frequency conversion of semiconductor transistor as an example, the basic principles and some problems related are introduced in the article, integrating emitter-injected frequency conversion circuit of transistor, which is often used in superheterodyne to discuss about it.

关 键 词：晶体三极管 混频原理 变频器 变频电路 工作原理 

分 类 号：TN773[电子电信—电路与系统]