[Amps] ?: Ferrite/powdered iron non-linearities

[Radio WC6W]

Good morning everyone,
   Does anyone have a reference (or other knowledge, experience... wild
guess...) that details the spurious 2nd & 3rd order products generated by
a ferrite and/or powdered iron toroid core as a function of the applied
power (flux) level?

  I'd like to know the numbers at say 1%, 10% and 100% of the
"recommended" maximum flux... for at least material 2 (the red powdered
iron parts)... and would be interested in any other types typically used
at HF.

73 & Thanks!
   Marv  WC6W













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