19.1 - 25.5 ghz紧凑型双模旋转行波振荡器，195.4 dbc /Hz FoM

IF 2.9 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Microwave and Wireless Components Letters Pub Date : 2022-11-01 DOI:10.1109/LMWC.2022.3183446

Hongkun Li, Yiyang Shu, Changting Pi, Xun Luo

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引用次数: 0

摘要

在这封信中，提出了一种双模旋转行波振荡器(RTWO)，以实现宽工作带宽和多相。将双绞线差分传输线耦合在一起，形成双模行波谐振器。16对背靠背逆变器和电容器连接到谐振器上，以引入多核多相操作。模式开关用于控制耦合方向和选择所需的模式，而不降低质量因子。经40纳米CMOS工艺验证，所提出的双模RTWO具有19.1 ~ 25.5 GHz的双模频率范围，核心尺寸为0.08 mm。在25.30 GHz和22.12 GHz频段测得的10 mhz相位噪声分别为- 129.6和- 131.5 dBc/Hz。最佳FoM和FoM分别为186.2和195.4 dBc/Hz。

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A 19.1–25.5-GHz Compact Dual-Mode Rotary Traveling-Wave Oscillator With 195.4-dBc/Hz FoM

In this letter, a dual-mode rotary traveling-wave oscillator (RTWO) is proposed to achieve wide operation bandwidth and multiple phases. Two twisted differential transmission lines are coupled together to form the dual-mode traveling-wave resonator. Sixteen pairs of back-to-back inverters and capacitors are connected to the resonators to introduce the multicore multi-phase operation. The mode switches are used to control the coupling direction and select the desired mode without degrading the quality factor. Verified in a 40-nm CMOS process, the proposed dual-mode RTWO exhibits a dual-mode frequency range from 19.1 to 25.5 GHz with the core size of 0.08 mm $^{\textbf {2}}$ . The measured 10-MHz phase noise at 25.30 and 22.12 GHz is −129.6 and −131.5 dBc/Hz, respectively. The best FoM and FoMT are 186.2 and 195.4 dBc/Hz, respectively.

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来源期刊

IEEE Microwave and Wireless Components Letters 工程技术-工程：电子与电气

自引率

13.30%

发文量

376

审稿时长

3.0 months

期刊介绍： The IEEE Microwave and Wireless Components Letters (MWCL) publishes four-page papers (3 pages of text + up to 1 page of references) that focus on microwave theory, techniques and applications as they relate to components, devices, circuits, biological effects, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, medical and industrial activities. Microwave theory and techniques relates to electromagnetic waves in the frequency range of a few MHz and a THz; other spectral regions and wave types are included within the scope of the MWCL whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.