Found in Linear Technology documentation, this amplifier requires a symmetrical power source and its gain is given by the components according to the formula in the diagram.
The signal itself captured by the (long) antenna serves to feed this simple experimental circuit....
This voltage level-triggered circuit was found in a 1969 Ferranti English documentation. Modern...
This amplifier makes use of a simple 12 to 30 W source, having been found in the SGS manual of...