Found in 1967 General Electric documentation this circuit uses a PUT and a diac to generate 1 kHz signals. The circuit has a start switch.
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...