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.
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.