This filter has a regulated source configuration. It can be implemented with almost any operational amplifier. The formulas for calculating the components are attached to the diagram.
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...