...接收机中的射频前端,主要包括共栅输入、电容交叉耦合的低噪声放大器(LNA)和正交合并的折叠型下变频混频器(Down-conversion Mixer)。
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设计并优化了一个基于共用跨导级结构的用于超高频rfid阅读器的正交下变频混频器。
A quadrature down-conversion mixer based on this topology is designed and optimized for an ultra high frequency RFID reader.
该电路采用二次变频低中频结构，集成了低噪声放大器、上变频混频器、下变频混频器等模块。
An RF front-end circuit for a fully integrated CMOS DTV tuner is presented in this paper, where double-conversion low IF architecture is employed.
在理论分析的基础上，本文设计了一个应用于北斗卫星导航系统接收机芯片中的低噪声放大器和下变频混频器。
On the base of theory analysis, a LNA and a mixer of a receiver chip used in compass navigation satellite system have been designed.
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