Design of Magnetic RF Inductor in CMOS |
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| Authors: | Jing Zhan Tianling Ren Chen Yang Yi Yang Litian Liu Albert Wang Tsinghua National Laboratory for Information Science and Technology |
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| Institution: | Key Laboratory of Transducer Technology, Shanghai 200050, China; 3. Department of Electrical Engineering, University of California, Riverside, CA 92521, USA |
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| Abstract: | Traditional planar inductors in Radio Frequency (RF) Integrated Circuits (ICs) are plagued by large areas, low quality, and low frequencies. This paper describes a magnetic-based CMOS-compatible RF in-ductor. Magnetic-core inductors with various ferrite-filled structures, spiral structures, and magnetic material permeabilities were simulated to show that this inductor greatly improves the inductance by up to 97% and quality factor by 18.6% over a multi-GHz frequency range. The results indicate that the inductor is a very promising and viable solution to realize miniature, high quality, and high frequency on-chip inductors for high-end RF ICs. |
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| Keywords: | inductor ferrite magnetic-cored Radio Frequency (RF) Integrated Circuits (ICs) |
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