This boost amplifier was found in a Popular Electroniics from the 90s. The circuit operates up to 20 MHz depending on the coils 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...