The Implementation of In-band FM based on Fractional-N PLL

被引：0

作者：

Han, Yao ^{[1
]}

Qin, Kai-yu ^{[1
]}

机构：

[1] Sch Aeronaut & Astronaut UESTC, Chengdu, Peoples R China

来源：

ENGINEERING SOLUTIONS FOR MANUFACTURING PROCESSES IV, PTS 1 AND 2 | 2014年 / 889-890卷

关键词：

in-band FM; Fractional-N; PLL;

D O I：

10.4028/www.scientific.net/AMR.889-890.869

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper studied the in-band frequency modulation technology based on fractional-N PLL, first elaborated the basic principle and transfer function analysis of FM PLL, and according to the fractional-N theory gives the realization principle and the concrete algorithm of the modulation signal frequency in the loop modulation loop bandwidth of PLL, gives the design of key circuit, and the result shows that the technology can realize the frequency of modulation signal low to the DC, and high precision modulation, good frequency stability.

引用

页码：869 / 874

页数：6

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