文档介绍：硕士学位论文
56M~806M 宽频带 Double-Conversion 混频器设计
院系: 信息科学与工程学院
专业: 微电子与固体电子学
姓名: 舒适
指导教师: 闵昊教授
完成时间:
I
目录
ABSTRACT ...................................................... I
摘要.......................................................... II
引言............................................................. 1
通信系统的概念....................................................... 1
接收端的结构......................................................... 3
超外差结构的接收端(Superheterodyne Receiver) ....................... 3
零中频结构的接收端(Homodyne Receiver)............................ 6
镜像抑制接收器(Image-Reject Receivers)............................ 11
设计目的............................................................ 15
论文提纲............................................................ 16
第二章混频器的基本概念........................................ 17
混频器的基本原理..................................................... 17
混频器的性能参数..................................................... 18
转换增益(Conversion Gain) ........................................ 18
噪声系数(Noise Figure) ........................................... 18
线性度(Linearity) ................................................ 19
隔离度(Isolation)................................................. 25
输入输出阻抗匹配(Input & Output matching) ......................... 25
第三章混频器的电路结构........................................ 27
混频器的基本工作原理和分类........................................... 27
Active 混频器......................................................... 28
基于平方关系(square-law)的混频器................................. 28
基于乘法器(Multiplier-Based)的混频器............................... 30
Passive 混频器........................................................ 32
电压混频器(Potentiometric Mixers) .................................. 32
Double-balanced Mixer............................................. 33