The FET can be a BF245, and the other transistors can be the BC548 and BC558 in this simple AM receiver. Adjust R4 for the best sound. The coil has 20 + 60 turns of wire 28 in a ferrite rod.
This circuit is from old American documentation, using a regulator integrated circuit that is...
The purpose of this circuit is to pass an audio signal from one channel to another in a...
This circuit consists of an adapter that allows the reading of low currents at various scales. A...