A 80.88-87.53GHz Millimeter Wave Wide Tuning Range Digitally Controlled Oscillator in 40nm CMOS

被引：0
|
作者：
Chen, Yilu [1 ]
Tang, Lu [1 ,2 ]
Xia, Sicong [1 ]
机构：
[1] Southeast Univ, Minist Educ, Engn Res Ctr RF ICs & RF Syst, Nanjing, Peoples R China
[2] Southeast Univ, Quantum Informat Res Ctr, Nanjing, Peoples R China
来源：
2021 THE 6TH INTERNATIONAL CONFERENCE ON INTEGRATED CIRCUITS AND MICROSYSTEMS (ICICM 2021) | 2021年
基金：
中国国家自然科学基金;
关键词：
digitally controlled oscillator (DCO); millimeter-wave (mntW); transformer; DiCAD;
D O I：
10.1109/ICICM54364.2021.9660303
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：
This article presents a millimeter wave high-resolution digitally controlled oscillator (DCO) in 40nm CMOS technology. The proposed oscillator achieves a frequency tuning accuracy of 2.6MHz by using switched capacitor array and on-chip transformer coupling technology. The tuning range is extended to 80.88-87.53GHz by digital control artificial dielectric (DiCAD) technology. The phase noise of 80.88GHz at the frequency offset of 1MHz and 10MHz is -93.23dBc/Hz and -114.05dBc/Hz, and the core circuit layout area is 0.23x0.13mm2. In addition, the peak-to-peak output amplitude of DCO is greater than 1V, which meets the crossover requirements of the post-stage injection-locked frequency divider.
引用
收藏
页码：151 / 154
页数：4
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