Quick Answer
Calculate Conductive Enclosure Shielding Insertion Loss (Faraday Cage Attenuation)
Calculator
Result Interpretation
The result shows Shielding Insertion Loss in dB, computed directly from the entered inputs using the formula defined for this tool.
Worked Example
Verified calculation
Given:
- thickness_m = 0.001
- frequency_hz = 1000000
- conductivity_s_per_m = 58000000
- permeability_h_per_m = 1
Expected Result:
- shielding_insertion_loss_db = 199.59547870684
Engineering Interpretation:
A computed shielding_insertion_loss_db of 199.59547870684 characterizes the system under the specified input conditions.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
shielding_insertion_loss_db = 20.0 * log(1.0 + 0.5 * pow(10.0, 6.0) * sqrt(2.0 * 3.14159265358979 * frequency_hz * permeability_h_per_m * conductivity_s_per_m) * thickness_m) / log(10.0)Formula family: formula_emc_shielding_insertion_loss
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| frequency_hz | Frequency | INPUT | Frequency |
| permeability_h_per_m | Relative Permeability | INPUT | Relative Permeability |
| conductivity_s_per_m | Material Conductivity | INPUT | Material Conductivity |
| thickness_m | Enclosure Thickness | INPUT | Enclosure Thickness |
| shielding_insertion_loss_db | Shielding Insertion Loss | OUTPUT | Shielding Insertion Loss |
Calculation Steps
- Enter the frequency in Hz.
- Enter the relative permeability in dimensionless.
- Enter the material conductivity in S/m.
- Enter the enclosure thickness in m.
- Step 1: Compute shielding insertion loss.
- Read the shielding insertion loss (dB) from the results.
Engineering Summary
Calculate Conductive Enclosure Shielding Insertion Loss (Faraday Cage Attenuation) The calculation uses Direct formula — shielding_insertion_loss_db = 20.0 * log(1.0 + 0.5 * pow(10.0, 6.0) * sqrt(2.0 * 3.14159265358979 * frequency_hz * permeability_h_per_m * conductivity_s_per_m) * thickness_m) / log(10.0).
Frequently Asked Questions
What does this calculator calculate?
The Conductive Enclosure Shielding Insertion Loss (Faraday Cage Attenuation) calculator estimates Shielding Insertion Loss based on the input parameters you provide
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Frequency (Hz), Relative Permeability (dimensionless), Material Conductivity (S/m), Enclosure Thickness (m). Make sure all inputs use the specified units for consistent results
How does Frequency affect the results?
The frequency directly affects: Shielding Insertion Loss. Increasing or decreasing this value will change these output values according to the engineering formula
How should I interpret the calculated results?
The calculator provides the following outputs: shielding insertion loss in dB. Results are computed from the input values using the defined calculation method. Always verify results against project-specific requirements and applicable standards
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas; the calculation method is based on Direct formula shielding_insertion_loss_db = 20.0 * log(1.0 + 0.5 * pow(10.0, 6.0) * sqrt(2.0 * 3.14159265358979 * frequency_hz * permeability_h_per_m * conductivity_s_per_m) * thickness_m) / log(10.0). Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
When is this calculation useful?
The Conductive Enclosure Shielding Insertion Loss (Faraday Cage Attenuation) calculator is useful during preliminary design, feasibility studies, and quick engineering checks in emc.toolfusion.net projects. It helps engineers and designers estimate key parameters before proceeding with detailed analysis
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