This circuit is from a manual from the 80's and the operational one used, uncommon nowadays, can be replaced by a modern equivalent. The power supply must be symmetrical.
In this application, from English documentation, we have the way to activate an AC load up to 10 W...
This benchtop AC and DC power source was published in the December 1957 Radio Electronics...
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...