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 figure shows how to implement an amplifier with gain 10 using the operational amplifier LM41....
This experimental AM radio circuit was found in a 1979 English magazine. It can be fitted with a...
This circuit shows how it is possible to control 9 loads with only 6 Triacs using the matrix...