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接收机射频前端电路的仿真设计

更新时间:2020-08-25 06:34:39 大小:225K 上传用户:守着阳光1985查看TA发布的资源 标签:接收机射频前端 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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软件无线电的基本思想是构建一个通用的硬件平台,将模数转换尽可能的靠近天线,并尽量通过软件来实现无线电功能。作为软件无线电关键技术之一的射频前端技术,射频前端主要完成低噪声放大、滤波、混频等功能,实现模拟射频信号和模拟中频信号之间的转换,从而解决A/D和D/A的速率、精度等无法达到对射频模拟信号直接进行采样的问题。以直接变频结构为基础,在确定集成芯片的基础上进行了接收机射频前端电路的仿真,并对仿真结果进行了分析。

The basic idea of software defined radio is to build a universal hardware platform. Analog to digital conversion is close to the antenna as much as possible, software define the system. Radio Frequency (RF) front-end technology is one front-end features include low-noise amplifier, of the key technologies of Software Defined Radio. RF filter, mixer and other functions. The analog RF signal is converted into the analog Intermediate Frequency signal, and the A/D and D/A rate, accuracy can meet the need of direct sampling of analog RF signal. The circuit simulation of RF front-end is carried out on the basis of determined integrated chip. The simulation results are analyzed accordinglv.

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接收机射频前端电路的仿真设计.pdf 225K

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