This circuit is from the September 1985 issue of Radio Electronics magazine. The circuit has an LED charge indicator and is based on CMOS logic. The MOSFET must be equipped with a heat sink.
This circuit was obtained in an old Elektor. It is a reference, since the integrated products of the...
The trigger shown in the figure, built around a 4093 can generate pulses that reach 1 hour with a...
This circuit has the transistor chosen according to the maximum current desired at the output. Unlike...