Novel high-Q inductor using active inductor structure and feedback parallel resonance circuit

Seo, Sujin, Ryu, Namsik, Choi, Heungjae ORCID: https://orcid.org/0000-0003-1108-293X and Jeong, Yongchae 2007. Novel high-Q inductor using active inductor structure and feedback parallel resonance circuit. Presented at: 2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, Honolulu, Hawaii, 467-470. 2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium. Picastaway: IEEE, pp. 467-470. 10.1109/RFIC.2007.380925

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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 (HI) consists of the conventional active grounded inductor and feedback parallel resonance circuit which is composed of low-Q spiral inductor and capacitor. The novelty of the proposed structure is based on the increase of g-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 250 around 5 GHz.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Publisher:	IEEE
ISBN:	9781424405305
ISSN:	1529-2517
Last Modified:	27 Oct 2022 10:08
URI:	https://orca.cardiff.ac.uk/id/eprint/69003

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