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Old 4th October 2010, 03:32 PM   #1
frags is offline frags  Canada
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Default 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?
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Old 4th October 2010, 03:40 PM   #2
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They work well, although I have seen instances in very
large power supplies where the inrush current made them
fracture with some dramatic noises.

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Old 4th October 2010, 03:47 PM   #3
frags is offline frags  Canada
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Thank you, Mr. Pass.
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Old 4th October 2010, 03:56 PM   #4
AndrewT is offline AndrewT  Scotland
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Location: Scottish Borders
Default fractured ferrite

Does that equate to fewer mH resulting from an air gapped magnetic circuit?
regards Andrew T.
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