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 CW circuit was found in a Radio Amateur Today from the 890s. The CMOS circuit must be powered by...
This power supply, found in 2002 documentation, uses fixed 1 A regulators for the power output. The...
We found this circuit in Texas Instruments' Linear Circuits Applications. In the original it is...