We found this circuit in the April 1993 Electronics Now magazine. Almost any general-purpose JFET can be used. Power is supplied by a battery (2 x 9V).
This circuit is a small FM transmitter, capable of carrying its signals over short distances...
The purpose of this circuit is to obtain a voltage of 15 V with 1.5 A from a 48 V input. The...
This simple circuit must be powered by a voltage of 5 V. The integrated circuit is the 7400, but...