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Giant Magnetoresistance Electric Guitar Pickup

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Giant Magnetoresistance (GMR) is the phenomenon of thin film metallic materials changing their resistances up to 50% in magnetic fields resulting in improved sensitivity when compared to existing Hall Effect devices. This project explores using GMR in a guitar pickup application comparable to inductive and Hall Effect types. A GMR-based prototype was designed, constructed and tested on the basis of sensitivity, bandwidth, signal-to-noise ratio, and power consumption. Results show that GMR is a viable alternative to both inductive and Hall Effect pickups with improved performance in several areas.

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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Identifier
  • E-project-032416-162550
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Year
  • 2016
Sponsor
Date created
  • 2016-03-24
Location
  • Gilbertville
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Permanent link to this page: https://digital.wpi.edu/show/k643b311p