Found in an Elektor from the 90s, this circuit is based on components that are still common today. Power is supplied with only two batteries.
This circuit was published in Popular Electronics from the 90's. The components are common, as...
We found this receiver in an old English documentation. The JFET is commonly used and the bipolars can...
In this circuit, a unijunction transistor controls a multivibrator providing a rectangular signal...