This power supply circuit was obtained from the February 1993 Radio Electronics magazine. The integrated circuit and power transistors must be provided with heatsinks.
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...