A Wideband Harmonic Shaping VCO With 192-dBc/Hz Peak FoM in 65-nm CMOS

被引：0
|
作者：
Deng, Shuai [1 ,2 ]
Luo, Xiongyao [1 ,2 ]
Yi, Xiang [1 ,3 ]
Qin, Pei [1 ,3 ]
Xu, Taotao [1 ,2 ]
Wan, Cao [1 ,2 ]
Xue, Quan [1 ,2 ,3 ]
机构：
[1] South China Univ Technol, Guangdong Hong Kong Macao Joint Lab Millimeter Wav, Guangdong Prov Key Lab Millimeter Wave & Terahertz, Guangzhou 510641, Peoples R China
[2] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Peoples R China
[3] South China Univ Technol, Sch Microelect, Guangzhou 510641, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2025年 / 35卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Voltage-controlled oscillators; Resonance; Tuning; Harmonic analysis; Wideband; 1/f noise; Couplings; Frequency measurement; Millimeter wave technology; Manuals; Common-mode (CM) resonance expansion; flicker noise; Groszkowski effect; harmonic shaping; phase noise (PN); voltage-controlled oscillator (VCO); NOISE;
D O I：
10.1109/LMWT.2024.3520965
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：
In this brief, a class-F-23 voltage-controlled oscillator(VCO) aimed at achieving low-phase noise (PN) across the tuningrange without manual harmonic tuning is presented. A newhead resonator (HR) based on electric coupling is proposedto expand the common-mode (CM) resonance bandwidth at2nd harmonic (2f(0)) so that the 1/fnoise is suppressed. Theelectric coupling preserves the ability to recover CM resonancebandwidth from manufacture variations. The higher differential-mode (DM) resonance frequency is positioned between 2f(0 )and 3f(0 )to mitigate Groszkowski's frequency shift caused by the DMharmonic current. Implemented in a 65-nm CMOS process witha die area of 0.198 mm2, the VCO exhibits a PN of-122.5 dBc/Hzat a 1-MHz offset from 8 GHz, corresponding to a peak figureof merit (FoM) of 192 dBc/Hz
引用
收藏
页码：322 / 325
页数：4
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