This very low current circuit was found in the April 1995 Electronics Now magazine. The frequency should be chosen for maximum efficiency according to the small transformer used.
With this circuit it is possible to visualize the characteristic curve of a component on an...
This game of speed or who is the fastest uses a digital display. The circuit was found in a 1991...
This amplifier was found in a 1967 Japanese documentation. The circuit has no output transformer, but the...