A Ku-band Frequency Synthesizer Based on PLL

被引：0

作者：

Shen, Yafei ^{[1
]}

Wang, Zhenhao ^{[1
]}

Du, Xiangyu ^{[1
]}

Mo, ZhiMing ^{[1
]}

Hua, Yi ^{[1
]}

机构：

[1] Shanghai Aerosp Elect Technol Inst, Shanghai 201100, Peoples R China

来源：

2020 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT 2020 ONLINE) | 2020年

关键词：

D O I：

10.1109/ICMMT49418.2020.9386949

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

With the development of modern radar and communication systems, frequency sources with high spectrum purity, broad frequency band and low phase noise becomes more and more important. A Ku band frequency synthesizer with function of single and sweep frequency output is presented in this paper. Commercial frequency synthesizer chips are selected according to the design parameters. A theoretical analysis of phase noise of phase-locked loop (PLL) is also conducted. The frequency source controlling software is designed to achieve such functions as lock detect, single and sweep frequency output mode selection. The measured output frequency span of the designed Ku-band frequency synthesizer is 15GHz similar to 16.5GHz, with a step of 0.02MHz in sweep frequency output mode. The measured phase noise at 15GHz, 15.75GHz and 16.5GHz is -89dBc/Hz@ 100kHz, -90dBc/Hz@100kHz and -91dBc/Hz@100kHz respectively.

引用

页数：3

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