Multi-phase feedforward ring VCO with high frequency and low phase noise

被引：1
|
作者：
Xie, Lei [1 ]
Sang, Hao [1 ]
Chen, HaiYan [1 ]
Liang, Bin [1 ]
Yan, Li [1 ]
Yuan, Hengzhou [1 ]
机构：
[1] Natl Univ Def Technol, Lab Semicond, Sch Comp Sci, Changsha, Peoples R China
来源：
ELECTRONICS LETTERS | 2020年 / 56卷 / 21期
基金：
中国国家自然科学基金;
关键词：
voltage-controlled oscillators; phase noise; integrated circuit design; integrated circuit noise; multiphase feedforward ring VCO; low phase noise; improved delay cell; high oscillation frequency; uniform multiphase output; FRVCO; feedforward-coupling ring oscillator; high frequency noise; frequency; 1; 0; MHz;
D O I：
10.1049/el.2020.2017
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 novel feedforward-coupling ring oscillator (FRVCO) is presented. A comparative study in terms of oscillation frequency and phase noise is conducted between the proposed model and the traditional FRVCO. Due to the improved delay cell, high oscillation frequency, low phase noise and uniform multi-phase output can be achieved. Compared with the traditional FRVCO, under the same design parameters, the FRVCO proposed in this Letter can increase the oscillation frequency by 10% while reducing the phase noise at 1 MHz by at least 10 dB.
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页码：1101 / 1102
页数：2
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