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.
The operating voltage of this circuit is 18 V, and the source current is 3.5 A. The circuit is...
This circuit was suggested by National Semiconductor in its Linear Applications Handbook. The...
The basic idea of the circuit shown in the figure is to increase the brightness of an ordinary...