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What is the Ferrite core do on the SONY plug and play?

1577 Views 6 Replies 4 Participants Last post by  RichW
What is the Ferrite core do in the SONY plug and play:shrug:
I have no idea what it's fore but the FCC says you need it. :sure:
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I don't know the specifics in this case, but the usual function of a ferrite core is to act as an RF choke, preventing a length of cable from acting like an antenna. If the FCC is requiring it it must be to comply with type acceptance of the radio.
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