Crystal Radio-SMD vs Air Core Coil Coupling (Basic)(4K) @tsbrownie

Crystal Radio-SMD vs Air Core Coil Coupling (Basic)(4K) @tsbrownie

Uploaded December 2024 | Updated September 2026, 2 weeks ago

Simple comparison of coupling of the SMD inductor coils we saw in a prior video against an air core coil.
There were requests in the last video to make this comparison, so here it is.

Crystal Radio-SMD vs Air Core Coil Coupling (Basic)(4K)

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Crystal Radio-SMD vs Air Core Coil Coupling (Basic)(4K)