一种低相位噪声低功率环形压控振荡器的设计与分析

IF 0.8 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Ieice Electronics Express Pub Date : 2023-01-01 DOI:10.1587/elex.20.20230443

Wei Zou, Xinyu Zhang, Zhengwang Cheng, Mei Wang, Xinguo Ma

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引用次数: 0

摘要

提出了一种用于802.11ah通信协议频段锁相环的低相位噪声低功率环形压控振荡器(ring - vco)。为满足物联网的高性能要求，设计了一种具有双路结构延迟单元的三级环形vco。差分延迟单元中的主要噪声源可以在差分输出处消除，从而降低相位噪声。Ring-VCO采用旧的TSMC 0.18µm CMOS工艺，可实现343.56-974.56 MHz的调谐范围。1mhz偏置时的相位噪声范围为-116.28 ~ -108.74 dBc/Hz，消耗的电流为2.27 mA。

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Design and Analysis of a Low Phase Noise Low Power Ring-VCO

A low phase noise low power ring voltage-controlled oscillator (Ring-VCO) is proposed for phase-locked loops (PLLs) in the 802.11ah communication protocol band. A three-stage Ring-VCO with dual-path structure delay cells is designed to meet the high performance requirements of Internet of Things. The main noise source in the differential delay cell can be eliminated at the differential output, thus reducing phase noise. Implemented in an old TSMC 0.18 µm CMOS process, the Ring-VCO achieves a tuning range of 343.56-974.56 MHz. The phase noise at 1 MHz offset varies from -116.28 to -108.74 dBc/Hz, and the current consumed is 2.27 mA.

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来源期刊

Ieice Electronics Express 工程技术-工程：电子与电气

CiteScore

1.50

自引率

37.50%

发文量

119

审稿时长

1.1 months

期刊介绍： An aim of ELEX is rapid publication of original, peer-reviewed short papers that treat the field of modern electronics and electrical engineering. The boundaries of acceptable fields are not strictly delimited and they are flexibly varied to reflect trends of the fields. The scope of ELEX has mainly been focused on device and circuit technologies. Current appropriate topics include: - Integrated optoelectronics (lasers and optoelectronic devices, silicon photonics, planar lightwave circuits, polymer optical circuits, etc.) - Optical hardware (fiber optics, microwave photonics, optical interconnects, photonic signal processing, photonic integration and modules, optical sensing, etc.) - Electromagnetic theory - Microwave and millimeter-wave devices, circuits, and modules - THz devices, circuits and modules - Electron devices, circuits and modules (silicon, compound semiconductor, organic and novel materials) - Integrated circuits (memory, logic, analog, RF, sensor) - Power devices and circuits - Micro- or nano-electromechanical systems - Circuits and modules for storage - Superconducting electronics - Energy harvesting devices, circuits and modules - Circuits and modules for electronic displays - Circuits and modules for electronic instrumentation - Devices, circuits and modules for IoT and biomedical applications