The temperature range of this circuit is different from the previous one, while maintaining the same configuration. The circuit is from a Radio Electronics from June 1985.
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...