The transistor can be a BC548 and the coil has the following characteristics for 1 MHz. L1 has 80 turns of wire 28 in a ferrite rod and L2 of 30 and 40 turns.
This circuit is from the LM107 manual, which is a component of the 80s. The circuit can be adapted to...
This small audio amplifier circuit in complementary symmetry was found in the 1974 Mullard...
The coil of this receiver consists of 100 turns of wire 38 to 30 in a ferrite rod and the...