This circuit was found in a Popular Electronics from the 90's. It consists of the solid-state variation of the well-known grid-dip meter. MOSFET is a component not very easy to obtain these days.
This circuit was found in a Popular Electronics from the 90's. The circuit can be used to convert...
This circuit works with only 1.5 V and can be powered by a solar panel. The circuit is from 1991....
In fact, the original American publication exaggerated a little about the range that a good...