This circuit was developed to find intermittent defects in an electrical control. In the event of a defect, the circuit fires indicating the moment of occurrence.
To use the instrument for AC measurement, the tips are A and B. For CC use tips A or B for...
The interesting circuit shown in the figure, can have its gain digitally controlled and present two...
This simple MW radio was found in a 1975 publication, but it can be mounted with BC548...