The circuit has the traditional configuration that can be found elsewhere on this site. This is from 80s documentation and the LM350 can be used for higher current.
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...