We found this circuit in an old documentation. The circuit can supply loads up to 10W with the original components. The circuit can be designed based on modern components.
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...