Analysis of patterned magnetic thin-film noise suppressor for RF IC chip

Masahiro Yamaguchi, Yasushi Endo, Peng Fan, Jingyan Ma, Satoshi Tanaka, Yasunori Miyazawa, Makoto Nagata

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Noise coupling path on a fully LTE-compatible receiver circuit chain (Band1, 2110-2170 MHz for downlink) has been analyzed to estimate the victim wires that carry digital noise from RF digital to analogue circuits on the test RF IC chip, three noise-carrying wire groups were extracted out of numerous on-chip wires through systematic measurements and electromagnetic simulation. Then the patterned amorphous Co-Zr-Nb film was integrated only along the extracted wire groups on the test chip. Measured noise level and LTE throughput performance clarified lower in-band spurious tone (noise) by 9.3 dB as compared with the non-magnetic original chip, and also better than non-patterned magnetic film by 7.3 dB. These results and EM simulation made sure the noise coupling path on chip, and suggesting the noise diffusion in the original larger film blocks.

Original languageEnglish
Title of host publicationProceedings of the 2017 11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMCCompo 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages45-49
Number of pages5
ISBN (Electronic)9781538626894
DOIs
Publication statusPublished - 2017 Jul 31
Event11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMCCompo 2017 - St. Petersburg, Russian Federation
Duration: 2017 Jul 42017 Jul 8

Publication series

NameProceedings of the 2017 11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMCCompo 2017

Other

Other11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMCCompo 2017
CountryRussian Federation
CitySt. Petersburg
Period17/7/417/7/8

Keywords

  • RF IC
  • conduction noise
  • digital noise
  • magnetic thin film
  • noise suppressor
  • wireless communication

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Safety, Risk, Reliability and Quality
  • Electronic, Optical and Magnetic Materials

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  • Cite this

    Yamaguchi, M., Endo, Y., Fan, P., Ma, J., Tanaka, S., Miyazawa, Y., & Nagata, M. (2017). Analysis of patterned magnetic thin-film noise suppressor for RF IC chip. In Proceedings of the 2017 11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMCCompo 2017 (pp. 45-49). [7998079] (Proceedings of the 2017 11th International Workshop on the Electromagnetic Compatibility of Integrated Circuits, EMCCompo 2017). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EMCCompo.2017.7998079