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 PUT (Unijunction Programmable Transistor) configuration was found in an 80s ON Semiconductor...
In the figure we have an application of an oscillator 4013 as voltage multiplier. It consists of a...
This high gain small signal amplifier circuit was found in an old publication on transistors....