This circuit was found in a British documentation from 1969. It can be implemented with modern transistors. The pass band is 6 MHz.
This circuit was found in a 1964 documentation. It shows how to achieve automatic gain control for...
This variable voltage regulator circuit has a power stage capable of supplying currents up to 1 A....
This circuit was obtained from an English publication from the 70's. The circuit is still current for...