Found in a 1970s American documentation, this circuit uses components from the era that can eventually be replaced by modern equivalents. The power supply must be symmetrical.
This circuit for the 3.5 MHz band (80 meters) was found in an old radio amateur documentation. The circuit...
This JFET amplification stage was found in the April 1993 issue of Electronics Now. The input...
We found this circuit in a Popular Electronics of the 80s. The circuit can be made with almost any...