The ZN414 integrated circuit consists of a complete radio from the 1980s. This single receiver circuit was found in Popular Electronics from time. The coil has 80 turns of wire 28 in a ferrite rod.

The ZN414 integrated circuit consists of a complete radio from the 1980s. This single receiver circuit was found in Popular Electronics from time. The coil has 80 turns of wire 28 in a ferrite rod.