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。
Low noise, high linearity RF front end circuit is the key of the whole RF receiver system design.
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。
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.
对于接收射频前端电路的参数进行了分析，并且提出了优化、改进的方案和下一步的工作。
After analyzing and studying the circuits test parameters and design parameters, the improving methods and the next works are presented at last.
第六章为接收射频前端电路的原理图设计、PCB设计和系统电路的实现，对系统电路的重要参数进行了测试。
In chapter six, schematic design, PCB design and application circuits of receiver RF destination are all implemented and the important system parameters are tested by using the spectrum analyzer.
第六章为接收射频前端电路的原理图设计、PCB设计和系统电路的实现，对系统电路的重要参数进行了测试。
In chapter six, schematic design, PCB design and application circuits of receiver RF destination are all implemented and the important system parameters are tested by using the spectrum analyzer.
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