What should I look for in an AC adapter for low RFI?
I know that switched adapters tend to be bad. However, I also used to
have a bad linear adapter cause RFI directly to a shortwave radio that
was plugged into it.
I'm looking for a new adapter for my router. 9V. 600ma. center
positive. 2.5 mm x 5.5 mm.
Are class 2 adapters mostly or entirely linear? I looked at some
adapters and they either say switching or class 2.
Are switched power supplies considering smaller than linear?
Thanks,
Aaron
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