This is a commercial circuit from the year 1958. Transistors are germanium types and transformers and coils are hard to fild today. The circuit is destinated to the reception of medium wave 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...