Digitally-Controlled Bondwire Inductor with High Quality Factor and Wide Tuning Range

A tunable bondwire inductor (TBI) with high-quality factor and wide tuning range is presented. The proposed TBI is fabricated on a single chip by combining a single-pole four-throw (SP4T) switch integrated circuit (IC) and four bondwire inductors on a package substrate. The SP4T switch IC is fabrica...

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Bibliographic Details
Published in:	Journal of Electromagnetic Engineering and Science Vol. 20; no. 3; pp. 207 - 212
Main Authors:	Lee, Yonggoo, Lee, Bomson
Format:	Journal Article
Language:	English
Published:	한국전자파학회JEES 01-07-2020 The Korean Institute of Electromagnetic Engineering and Science 한국전자파학회
Subjects:	bondwire digitally-controlled high quality factor tunable inductor wide tuning range 전자/정보통신공학 Tunable Inductor Wide Tuning Range Digitally-Controlled High Quality Factor Bondwire
Online Access:	Get full text
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Summary:	A tunable bondwire inductor (TBI) with high-quality factor and wide tuning range is presented. The proposed TBI is fabricated on a single chip by combining a single-pole four-throw (SP4T) switch integrated circuit (IC) and four bondwire inductors on a package substrate. The SP4T switch IC is fabricated using 180 nm silicon-on-insulator (SOI) complementary metal-oxide-semiconductor (CMOS) technology. The fabricated TBI chip exhibits a 521% tuning range of inductance from 1.77 to 11 nH at 0.1 GHz and a relatively high-quality factor. To the knowledge of the authors, the results of this work demonstrate the best combined performance of inductance tuning range and quality factor.
ISSN:	2671-7255 2671-7263
DOI:	10.26866/JEES.2020.20.3.207