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Amazon.com: Wondiwe 20 Pcs Adjustable Inductor Shell Skeleton Empty Ferrite Core No Inductor Coil 25-100MHZ : Industrial & Scientific
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Instead of using a variable capacitor, can a variable inductor be used in a radio tuning circuit? - Quora
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Low Inductance Air Coil Inductor 1uh - China Rod Core Inductor, Air Coil Inductor | Made-in-China.com
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