Low noise, high linearity RF front end circuit is the key of the whole RF receiver system design.

低噪声、高线性度的射频前端设计是整个射频接收机系统电路设计中的关键。

youdao

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.

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。

youdao

The NJ1006 is a higher integration level and single chip RF front-end circuit for GPS receivers. This paper has introduced its function, basic parameters and GPS Receiver RF Front circuit.

NJ1006是一个高集成度的单片GPS接收机射频前端集成电路，本文介绍了该芯片的作用、基本参数和它应用于GPS接收机射频前端的电路。

youdao