Based on a unijunction transistor, this circuit was found in the January 1994 issue of Electronics Now magazine. The frequency range depends on C1, which can be changed.
This circuit originally appeared in a publication of 1997. With the changes, the circuit can be...
The output voltage of this circuit, which can regulate the current in a load between 0 and 1 A,...
This unregulated power supply can source 1.5 A to amplifiers and other circuits. The diodes must...