A Modified High Phase Accuracy SIC-QVCO Using a Complementary-Injection Technique

Shu You Lin; Hwann Kaeo Chiou

doi:10.1109/LMWC.2019.2895766

A Modified High Phase Accuracy SIC-QVCO Using a Complementary-Injection Technique

Shu You Lin, Hwann Kaeo Chiou

電機工程學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

2 引文斯高帕斯（Scopus）

摘要

This letter presents a complementary-injection-coupled technique to modify the conventional self-injection-coupled quadrature voltage-controlled oscillator (QVCO) topology. The proposed topology reduces the influence of dc offset problem at the source node of the coupling transistors that possibly makes the QVCO to fail and stop generating quadrature signals. Meanwhile, the modified coupling network provides an extra phase shift to resolve the bimodal oscillation. The QVCO is implemented in TSMC 0.18- μm CMOS technology. The measured phase noise is -111 dBc/Hz at 1-MHz offset, and the phase errors are from 0.29° to 1.39°. The figures of merit (FoM, FoM_Q) are -178.2 and -228.4 dBc/Hz, respectively. The chip area is 1.12 × 0.73 mm²

原文	???core.languages.en_GB???
文章編號	8642521
頁（從 - 到）	222-224
頁數	3
期刊	IEEE Microwave and Wireless Components Letters
卷	29
發行號	3
DOIs	https://doi.org/10.1109/LMWC.2019.2895766
出版狀態	已出版 - 3月 2019

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10.1109/LMWC.2019.2895766

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abstract = "This letter presents a complementary-injection-coupled technique to modify the conventional self-injection-coupled quadrature voltage-controlled oscillator (QVCO) topology. The proposed topology reduces the influence of dc offset problem at the source node of the coupling transistors that possibly makes the QVCO to fail and stop generating quadrature signals. Meanwhile, the modified coupling network provides an extra phase shift to resolve the bimodal oscillation. The QVCO is implemented in TSMC 0.18- μm CMOS technology. The measured phase noise is -111 dBc/Hz at 1-MHz offset, and the phase errors are from 0.29° to 1.39°. The figures of merit (FoM, FoMQ) are -178.2 and -228.4 dBc/Hz, respectively. The chip area is 1.12 × 0.73 mm2",

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author = "Lin, {Shu You} and Chiou, {Hwann Kaeo}",

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A Modified High Phase Accuracy SIC-QVCO Using a Complementary-Injection Technique

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