This 1980s circuit was found in Motorola documentation. The circuit uses period components that admit of equivalents. Light feedback in a modern version can be done by optical fiber.
In the figure we have the simple way to obtain an integrator with a type 741 operational...
We found this circuit in the June 1988 Radio Electronics magazine. The power supply must be...
This high-power shield is isolated from the control. The circuit was found in the June 1995...