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frags 4th October 2010 04:32 PM

Indcutor in CRC filter of PSU
I'm building F5 amplifier and want to use CRC schematic in PSU.
For inductors I have 1mH coils with only ten turns on a ferrite ring. So the magnetic conductivity of that ring is very high. I know that such inductors are unacceptable in loudspeaker crossovers because of their bad hysteresis but what's about PSUs?

Nelson Pass 4th October 2010 04:40 PM

They work well, although I have seen instances in very
large power supplies where the inrush current made them
fracture with some dramatic noises.


frags 4th October 2010 04:47 PM

Thank you, Mr. Pass.

AndrewT 4th October 2010 04:56 PM

fractured ferrite
Does that equate to fewer mH resulting from an air gapped magnetic circuit?

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