Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/153527
Title: A low-power quadrature LO generator with mutual power-supply rejection technique
Authors: Zhou, Ao
Ding, Xin
Boon, Chirn Chye
Siek, Liter
Liang, Yuan
Dong ,Yangtao
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Source: Zhou, A., Ding, X., Boon, C. C., Siek, L., Liang, Y. & Dong , Y. (2021). A low-power quadrature LO generator with mutual power-supply rejection technique. IEEE Access, 9, 137241-137248. https://dx.doi.org/10.1109/ACCESS.2021.3116160
Project: MOE2019-T2-1-114
Journal: IEEE Access
Abstract: This paper presents a supply-insensitive low-power quadrature local oscillation (LO) generator based on the current-reused voltage-controlled oscillator (VCO) and divide-by-two frequency divider (FD). By utilizing the mutual power-supply rejection (M-PSR) technique, a voltage regulator is embedded into the FD to provide a supply-insensitive voltage for VCO. Meanwhile, the feedback loop provides a supply-insensitive current and time constant compensation for FD. The M-PSR technique does not require extra voltage headroom, thus the proposed quadrature LO generator can work under the supply of 0.9 V. A prototype of the proposed quadrature LO generator is implemented in a 28-nm CMOS process. Measurement results indicate that the LO generator achieves a phase noise of -110.5 dBc/Hz@1MHz at the carrier of 5.9 GHz and the power consumption is 1.8 mW. This work has a competitive figure of merit in supply sensitivity or in area (FOMss or FOMa respectively) among the state-of-the-art works.
URI: https://hdl.handle.net/10356/153527
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2021.3116160
Rights: © 2021 IEEE. This journal is 100% open access, which means that all content is freely available without charge to users or their institutions. All articles accepted after 12 June 2019 are published under a CC BY 4.0 license, and the author retains copyright. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, as long as proper attribution is given.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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