This experimental circuit is from a current protoboard tube kit. For the medium wave band the coil has 10 + 80 turns 28 of wire in a 1 cm diameter tube. The transformer can be anyone with high primary impedance.
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This experimental circuit is from a current protoboard tube kit. For the medium wave band the coil has 10 + 80 turns 28 of wire in a 1 cm diameter tube. The transformer can be anyone with high primary impedance.