We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit has a range from 1.25 V to 1 kV. The formula for the voltage values is given.
This circuit was obtained from an American documentation from the 50's. It is a Hartley oscillator that...
In the figure we have a three-phase AC motor control for voltages up to 600 V or 1200 V depending on...
This circuit can be used as an interface for resistance measurements on a common multimeter. With...