A High Performance Frequency Synthesis Method Based on PLL and DDS

被引：2

作者：

Yang, Dongying ^{[1
]}

Xu, Jianhua ^{[1
]}

Du, Huiwen ^{[1
]}

机构：

[1] China Elect Technol Instruments Co Ltd, Qingdao 266555, 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/ICMMT49418.2020.9386397

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：

A high performance frequency synthesis method based on PLL and DDS is introduced. The synthesized signal has the characteristics of high frequency tuning resolution, ultra-low phase noise and low spurious. The frequency synthesis method takes the wideband VCO as the frequency source of the PLL and the direct digital frequency synthesizer as the reference signal of the PLL. It has the characteristics of high frequency resolution and low phase noise of the direct digital frequency synthesizer, and improves the spurious level of the direct digital frequency synthesizer through the loop filtering ability of the PLL.

引用

页数：3

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