This circuit was found in a Radio Electronics from February 1966. With it it is possible to trace the curve of a tunnel diode visualizing it on an oscilloscope.
This “test your nerves” game was found in old documentation. The SCR can be of any sensitive type,...
The power supply for this circuit must be symmetrical at 15 + 15 V and the load at 4 or 8 ohms. The...
The LM109, which is not common today, was manufactured by many semiconductor companies. This...