A 0.9-to 8-GHz VCO with a differential active inductor for multistandard wireline SerDes

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Title:	A 0.9-to 8-GHz VCO with a differential active inductor for multistandard wireline SerDes
Authors:	龔存雄;Cheng, Kuo-Hsing;Hung, Cheng-Liang;Alex Gong, Cihun-Siyong;Liu, Jen-Chieh;Jiang, Bo-Qian;Sun, Shi-Yang
Contributors:	資訊電機學院電機工程學系
Keywords:	Active inductors;Circuits;CMOS;Design engineering;Frequency measurement;Inductors;Phase locked loops;Phase noise;Power consumption;Q-factor;Redesign;SERD;Tuning;Voltage-controlled oscillators
Date:	2014-08-01
Issue Date:	2026-04-23 13:14:26 (UTC+8)
Publisher:	Institute of Electrical and Electronics Engineers Inc.;New York: IEEE
Abstract:	摘要： This study demonstrates a wide frequency tuning range LC voltage-controlled oscillator (LC-VCO) with an active inductor in a 90-nm CMOS process. As the proposed LC-VCO is intended to be extremely flexible without redesign for several new-generation SerDes interfaces, a wide operating frequency makes the phase-locked loop (PLL) applicable to the multistandards. To demonstrate a highly competitive design, a quality (Q) factor enhancement technique has been also demonstrated to reduce the loss from the active inductor, leading to an appropriate phase noise over the entire tuning range. At a supply of 1.2 V, the fabricated LC-VCO provides a frequency tuning range of 0.9-8 GHz (160%) with power consumption of 3.2-19.1 mW. The measured phase noise is from -105 to -118 dBc/Hz at a 1-MHz offset. Realized in a fully integrated PLL chip, it occupies an active area of 0.08 × 0.16 mm 2 . 其他題名： TCSII 出版者： New York: IEEE 出版日期： 2014-08 出處： IEEE transactions on circuits and systems. II, Express briefs, 2014-08, Vol.61 (8), p.559-563 資源來源： IEEE Electronic Library (IEL) 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Aug 2014 識別號： ISSN: 1549-7747 識別號： EISSN: 1558-3791 識別號： DOI: 10.1109/TCSII.2014.2327451 識別號： CODEN: ICSPE5
Appears in Collections:	[Department of Electrical Engineering] journal & Dissertation

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