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 was obtained from a 1978 English magazine. This circuit can be easily assembled. We...
This circuit was found in American documentation from the 1980s. The integrated circuit used is a...
This sophisticated comparator, which may have didactic or practical purposes, was found in a 1980s...