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.
In the figure we present an interesting application suggested by Microchip (www.microchip.com) in which the voltage...
This circuit was found in an English technical documentation from 1973. The circuit generates...
We found this circuit in a 1974 documentation. The NPN transistor can be the BD135 and the PNP the...