This circuit generates short pulses. The transistor can be a 2N2222 or BC548 and the frequency is given by the resistors and the capacitor that can be changed.
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...