Enclosure Shielding (161)

• Measuring Shielding Effectiveness
  • Absorption Loss
  • Absorptive Component
  • Reflection Loss
  • Wave Impedance
  • Material Characteristic Impedance
• Electric Fields
  • Net Effectiveness for Electric Fields
• Magnetic Fields
  • Re-reflection of Magnetic Fields
  • Net Shielding Effectiveness For Magnetic Fields
  • Shielding Low Frequency Magnetic Fields
• High-μ Materials
  • μr vs. Frequency
  • Mechanical Shock Can Degrade δ
  • Saturation of μr
  • Multi-Layer Shields
  • Directing Magnetic Flux
  • High-μ Shield Changes Flux Distribution
• Magnetic vs. Electric Circuits
  • Reluctance of a Finite Element
  • Resistive Analogue
  • Shield Across Flux
  • Magnetic Shielding Example
  • Shield Along Flux
  • U-Bracket
  • Shield Forms Complete Magnetic Circuit
• Effect of Shield Discontinuities
  • Direction of Induced Current
  • Slot Antennas Excited by Surface Currents
  • Seam Orientation
  • Aperture Shielding Effectiveness
  • Screen Wire Over on Aperture
  • Waveguide Below Cutoff
  • Transfer Impedance
  • Inducing Fields on the Shielded Side
  • Contact Resistance of Seams
  • Effect of Applied Pressure
  • Increase Seam Contact Area
  • Conductive Gaskets
    • Measurement of Gasket Transfer Impedance
  • Plastics
• Cabling to Shields
  • Ground Wires
  • Entry Point Bypassing
  • Concentric Feedthrough Capacitor
  • RFI - Tight Feed Throughs
  • Ribbon Cables
  • Coaxial Cables
• Transformer Shielding
  • Single Transformer Shield
  • Single Center Tap Transformer Shield
  • Double Electrostatic Shield

Enclosure Shielding