This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used as a basis for modern designs with equivalent transistors.
This untuned circuit uses one of the world's first commercial transistors, the CK722, having been...
This circuit was found in an old Radio Electronics, but can still be assembled as the components are...
This circuit is from the Analog Devices component datasheet. In it we have the way to obtain a low...