This circuit has the spark duration controlled by a 555 timer. The circuit was found in the 1990 special issue of Radio Electronics Experimenter magazine.
This circuit was found in an English documentation from 1969. The transistors are of the time,...
When establishing the voltage at the input of this regulator, the output voltage rises smoothly until...
To obtain an AND gate we have the configuration shown in the figure. With the values indicated for the...