The triac must be mounted on a large heatsink according the current drain of the load.
This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series...
This 1.5 A source for FM transmitters was originally intended for the transmitter described in...
A 25 mVpp applied to the input of this circuit produces in the output a 1 Vpp signal. The...