mustang wrote:
Does anyone know if the toroids in pc power supplies would be suitable
for low power balun experiments for up to 30MHz?

If they are the toroids used in the switching power supply as transformers,
they are not very good for RF. They are probably powdered iron cores
optimized for a frequency like 400 Hz. Most baluns use ferrite toroids
optimized for a range of RF frequencies.
--
73, Cecil http://www.qsl.net/w5dxp



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