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.
This timer charges the C1 capacitor with constant current, thus determining the SCR triggering time that...
In the circuit of the figure we used a potentiometer of 1 k ohm. We can use a larger...
Mouser Electronics is offering the new ultra-low power microcontrollers CC26xx SimpleLink ™ for...