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.
The circuit presented is an interface or shield for capacitance measurement as a PC. We found it...
This circuit uses two transistors, the low noise BC549. Its quality is very good and it has a...
The idea of this simple circuit is to use a tape recorder to key a transmitter in code emission....