Characterization of a planar honeycomb-based inductor on crosstalk/EMI suppression

Tzuen Hsi Huang, Sheng Fan Yang, Shih Tang Lin

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper presents a new planar inductor layout topology in honeycomb shape for crosstalk/electromagnetic interference (EMI) suppression. The proposed honeycomb-based (H-based) inductor uses six twisted subcoils having antiphase magnetic dipoles in staggered arrangement. The opposite directional magnetic dipoles result in a cancellation of interference emission to a nearby device. On the other hand, the interference emission from the nearby devices to the proposed H-based inductor can also be suppressed due to the twisted subcoils. In this study, the H-based inductor and the related testkeys implemented in TSMC 0.18 μm CMOS technology are designed and characterized. The crosstalk/interference suppression capability of the H-based inductor to the nearby testing inductor can be improved by around 15-30 dB as compared with the conventional single-turn spiral inductor, when the operation frequency is 2.3 GHz and even the edge-to-edge spacing between the inductors approaches to 10 μm.

Original languageEnglish
Article number8391741
Pages (from-to)504-511
Number of pages8
JournalIEEE Transactions on Electromagnetic Compatibility
Volume61
Issue number2
DOIs
Publication statusPublished - 2019 Apr

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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