Found in a 90s Electronic Design, this circuit can provide a relatively high-power output. The basic frequency is given by resistors and capacitors without values.
This circuit is recommended for alarm systems since it has a good output stage. The circuit is...
) Suggested by Philips in a 1968 documentation this circuit has very high 10 ohm on-load voltage...
No information is given about the transformers in this circuit suggested by Motorola in a 1968...