This amplifier with the EL84 tube is a European commercial type from Corpim mounted on a printed circuit board. The diagram appeared in a September 1958 Radio Electronics magazine.
Small inverters can help to obtain high voltages from batteries. Although the switched inverters that...
It is an ideal assembly to be implemented as work by students of digital electronics courses, as...
In this very simple circuit, the LED flashes at a frequency of 60 Hz. It is convenient to check the...