A 2.5-GHz Low Phase Noise BAW-based Oscillator in 65nm CMOS Process

被引：1
|
作者：
Liang, Jiajian [1 ]
Zhu, Haoshen [1 ,2 ]
Chen, Liang [1 ]
Qin, Pei [2 ]
Che, Wenquan [1 ]
Xue, Quan [1 ,2 ]
机构：
[1] South China Univ Technol, Sch Elect & Informat Engn, Guangdong Prov Key Lab Millimeter Wave & Terahert, Guangzhou, Peoples R China
[2] South China Univ Technol, Sch Microelect, Guangzhou, Peoples R China
来源：
2022 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS, IMWS-AMP | 2022年
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1109/IMWS-AMP54652.2022.10106905
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 paper reports a miniaturized 2.5-GHz oscillator using a high-Q bulk acoustic wave (BAW) resonator. The crosscoupled topology is adopted to suppress power supply variations and enhance output swing. The oscillator achieves an outstanding phase noise performance of -143dBc/Hz and -153dBc/Hz at 1MHz and 10MHz offset, respectively. The integrated RMS jitter (12kHz to 20MHz) is 112fs. Measured power consumption is 670 mu W at 1V supply voltage. The figure-of-merit (FoM) of the oscillator is 213dB@1MHz. A divide-by-8 frequency divider is introduced to provide an output frequency of 315MHz.
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页数：3
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