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Measuring IC Switching Current Waveforms using a GMI Probe for Power Integrity Studies

  • Fan Zhou
  • , Songping Wu
  • , David Pommerenke
  • , Yoshiki Kayano
  • , Hiroshi Inoue
  • , Kenji Tan
  • , Jun Fan
  • Missouri University of Science and Technology

Research output: Contribution to journal › Article › peer-review

Abstract

IC switching current is the main noise source of many power integrity issues in printed circuit boards. Accurate measurement of the current waveforms is critical for an effective power distribution network design. In this paper, using a giant magnetoimpedance (GMI) probe for this purpose is studied. A side-band detection and demodulation system is built up to measure various time-domain waveforms using an oscilloscope. It is found that the GMI probes are potentially suitable for this kind of time-domain measurements, but probe designs and measurement setups need further improvements for this application.

Keywords

  • Accurate Measurement
  • Band Detection
  • Current Waveforms
  • Demodulation System
  • Distributed Parameter Networks
  • Electromagnetic Compatibility
  • Electromagnetism
  • Giant Magnetoimpedance
  • Measurement Setup
  • Noise Source
  • Power Distribution Network Design
  • Power Integrity
  • Printed Circuit Boards
  • Printed Circuit Manufacture
  • Probe Design
  • Probes
  • Switching Currents
  • Time Domain Measurement
  • Time-domain Waveforms

Disciplines

  • Electromagnetics and Photonics

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