This circuit for medium and short wave range was found in an American documentation from 1992. The circuit can use general purpose transistors and the antenna can be external or telescopic.
This circuit is from an old documentation making use of a 3,579,645 MHz analog color television...
The circuit shown in the figure is suggested by Intersil (www.intersil.com) and makes use of the...
This circuit split the voltage of a Power supply allowing it to be used as dual supply. The limit...