混频电路在GPS接收机射频前端中的应用

Application of Mixing Circuit to RF Front End for GPS Receiver

简单介绍了混频电路频率变换的概念、常用的几种简单的混频电路和设计混频电路要考虑的几个性能参数 。

The concept of frequency conversion,several types of simple mixing circuit and some parameters needed to be considered in mixing circuits design are introduced briefly.A down-conversion design in RF front end circuit for GPS receiver is expounded in detail.