Experimental Verification of Board Level Shielding Variability at Microwave Frequencies
Andrew Marvin, John Dawson, Martin Robinson
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13 Aug 2021
This paper shows that the Shielding Effectiveness of a printed circuit board shield (PCBS) varies depending on the shield’s external environment when the circuit board level shield is installed within a larger external enclosure. A reverberation chamber based technique is demonstrated that allows the underlying Shielding Effectiveness of the circuit board level shield to be evaluated along with an estimate of its expected variability due to the external enclosure.
