EMC-design of PCB board layout shield

EMC-design of PCB board layout services shield

PCB antenna module products such as GPS & GPRS modules; there are also some products with RF function modules that we will use metal shielding covers when designing: the structure is as follows (full shielding), we must focus on the interference of external signals ;

GPRS module design; signal frequency 2.4GHZ
When we apply the shielding cover method to our electronic products for shielding EMI design, we need to pay attention to the following points: the reference relationship between the opening shape of the shielding cover and the radiation noise; the opening aperture is less than λ/5=20mm…

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