Varactor tunned high-Q aictive inductor with broadband tuning range

Song, Kyungju, Jeong, Yongchae and Choi, Heungjae ORCID: https://orcid.org/0000-0003-1108-293X 2008. Varactor tunned high-Q aictive inductor with broadband tuning range. Presented at: International SoC Design Conference, Busan, South Korea, 24-25 November 2008. 2008 International Soc Design Conference (Isocc). Picastaway, NJ: IEEE, III-42. 10.1109/SOCDC.2008.4815740

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Abstract

This paper presents a novel high-Q inductor using conventional grounded active inductor and feedback parallel resonance circuit. The proposed high-Q inductor using tunable LC resonance circuit (HITR) consists of the conventional active grounded inductor and feedback parallel resonance circuit which is composed of low-Q spiral inductor and MOS varactor. The novelty of the proposed structure is based on the increase of Q-factor by feeding parallel resonance circuit into gyrator structure. The high-Q inductor is fabricated by 0.18 mum Hynix CMOS technology. The fabricated inductor shows inductance of above 45 nH and Q-factor of over 640 around 5.4 GHz.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Schools > Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Publisher:	IEEE
ISBN:	9781424425983
Last Modified:	27 Oct 2022 10:08
URI:	https://orca.cardiff.ac.uk/id/eprint/69007

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