Found in a 1964 Electronic Design, this circuit protects the transistors of a complementary output stage. The diodes limit the current in the complementary pair.
We found this circuit in an article in Electronics Now magazine from November 1997. The circuit uses...
This circuit provides just over ½ W to a small speaker. We found this configuration in an old...
In the figure we have a typical relaxation oscillator with a SIDAC as well as waveforms and...