We found this antenna amplifier or Booster circuit in an Electronics Now from the 90s. The circuit can be implemented with equivalent transistors like the BF494.
The operational amplifier can be of any type in this circuit, found in a 1974 publication. The...
This circuit was found in a 1969’s American documentation. It shows how to use two transistors to form...
This circuit serves as a reference for the components used and the time. The circuit is from 1967...