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.
The critical component of this amplifier is the output transformer. We found the circuit in an old...
This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time...
This bargraph circuit has already been explored in other versions in articles on this site. This is...