Take a Holistic View When Selecting RF/Microwave Absorbers
Dealing with constraints and resolving any “surprise” issues which arise are attributes of today’s successful design engineers charged with selecting RF/microwave and mm wave absorbers. Absorbers fulfill a significant role. Radiated emissions from increasingly powerful ICs packed into dense designs or affecting complex equipment make suppressing these disruptive emissions a top challenge.
Still, absorber offerings can be confusing. Decision makers must acquire added knowledge. And significantly, they must think holistically about addressing electromagnetic interference issues emerging across their overall design. You must determine, initially, the type of absorber application needed. Is the desired function to dampen board level cavity resonance? Free space EMI absorption? Or is EMI a near field, component level issue?
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