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The theory of shielded loop resonators

M D Harpen1

  • 1Department of Radiology, University of South Alabama, Mobile 36617.

Magnetic Resonance in Medicine
|December 1, 1994
PubMed
Summary
This summary is machine-generated.

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We developed a mathematical model for shielded loop resonators. The model accurately predicts resonator impedance, validated by experimental data under various conditions.

Area of Science:

  • Electrical Engineering
  • Electromagnetics
  • Resonant Circuits

Background:

  • Shielded loop resonators are critical components in various electronic systems.
  • Accurate modeling of these resonators is essential for performance optimization.
  • Existing models may not fully capture the behavior under diverse termination conditions.

Purpose of the Study:

  • To develop a comprehensive mathematical model for shielded loop resonators.
  • To analyze the behavior of both coaxial and flat Faraday shielded resonators.
  • To investigate the impact of balanced and unbalanced termination conditions on resonator impedance.

Main Methods:

  • Formulation of equivalent circuits for shielded loop resonators.
  • Derivation of impedance expressions based on the mathematical model.

Related Experiment Videos

  • Experimental validation using two test resonators under varied conditions.

    • Main Results:

    • The developed model provides equivalent circuits for coaxial and flat Faraday shielded resonators.
    • Derived impedance expressions demonstrate strong agreement with experimental observations.
    • The model's validity is confirmed across a range of experimental setups.

    Conclusions:

    • The presented mathematical model offers a robust framework for understanding shielded loop resonators.
    • The model accurately predicts impedance, facilitating improved resonator design and analysis.
    • This work provides valuable insights for engineers working with resonant circuits.