This 12 V to 110 V inverter with 100 W was found in a 1977 Signetics manual. The transformer must be rated according to the desired power and the output transistors admit equivalents.
The transducer of this circuit is a small ceramic capsule or crystal earpiece and the frequency given...
This circuit was found in an American documentation from 1968. The circuit generates ladder-shaped...
The circuit shown in the figure generates a rectangular signal whose frequency depends on C1. For...