A Compact 240 GHz Differential Fundamental Oscillator with-94.2dBc/Hz Phase Noise and 5.4% DC-to-RF Efficiency in 22nm FDSOI

被引：0

作者：

Liang, Yue ^{[1
]}

Chen, Qin ^{[1
]}

Zhang, XueXue ^{[1
]}

Wu, Xu ^{[1
]}

Fan, Xiangning ^{[1
]}

Li, Lianming ^{[1
]}

机构：

[1] Southeast Univ, Sch Informat Sci & Engn, Purple Mt Labs, Nanjing 211111, Peoples R China

来源：

IEEE 49TH EUROPEAN SOLID STATE CIRCUITS CONFERENCE, ESSCIRC 2023 | 2023年

关键词：

fundamental oscillator; differential; compact; terahertz(THz); pi-type network; 22nm FDSOI; CMOS OSCILLATOR; DESIGN; VCO;

D O I：

10.1109/ESSCIRC59616.2023.10268815

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 presents a 240-GHz differential fundamental oscillator. With a novel differential pi-type topology, the oscillator achieves a compact area, while naturally separating the gate and drain of the transistor to realize biasing flexibility and enhance performance. Thanks to the co-design of the large-signal behavior of transistors and the losses of embedding and matching networks, the DC-to-RF efficiency is optimized. Fabricated in 22nm FDSOI process, the oscillator generates 0.63-mW output power with a 0.5-V gate bias voltage and 1-V power supply, corresponding to a 5.4% DC-to-RF efficiency. The measured tuning range is 1.47%. To the best of the author's knowledge, this oscillator has a minimal core area of only 0.003 mm(2) and the lowest phase noise of -94.2dBc/Hz at 1 MHz offset among single-core fundamental oscillators with high efficiency.

引用

页码：133 / 136

页数：4

共 19 条

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