I'm designing a computer controlled matching network for HF (1.8-30 MHz),
and I'm looking for suggestions as to the type and size of the toroids to
use in the switchable inductors. Say we're handling currents/voltages at
1kW and higher levels (particularly where there's a lot of reactive
power). Stacking toroids is fine to keep the flux reasonable at higher
turn numbers. There's also a compromise between loss and heating of the core.
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See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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