The power supply for this circuit must be symmetrical at 12 + 12 V and the load must be 8 ohms. The circuit is from the 1982 SGS Linear Integrated Circuits Manual.
This transistorized oscillator, a modification of the Colpitts oscillator, was found in the...
This circuit uses an optocoupler with a phototriac or optotriac to drive an external triac. The...
The circuit shown in the figure is recommended for applications where a visual indication is...