Only for reference this is a circuito f a commercial receiver of the year 1958. The circuit uses coils and transformers hadr to find in our days. The circuit is destinated to receive MW stations.
This circuit, which is part of a percussion instrument, was found in the September 1979 issue of...
The circuit shown in the figure, generates a positive pulse whose duration depends on C1, from the...
Found in the 1989 Radio Electronics Experimenter special edition, this circuit was designed for...