This low-power benchtop circuit has an output for external use and other features. The circuit is from the 1995 Encyclopedia of Electronic Circuits Volume 5.
This shield circuit can serve as a basis for a digital mixer or simply for a switch without noise...
This shield or interface makes it possible to control power loads connected to the power grid from...
Based on an LM36000 OTA this circuit was found in the July 1988 issue of Radio Electronics...