Found in American documentation from the 90s, this circuit can be applied to other operational ones. We found it in an EDN of the time. Next to the diagram is the response curve.
This circuit was found in General Electric documentation from 1964. It makes use of a PUT, called the...
The circuit presented is suggested by National Semiconductor in its Linear Applications Handbook. The...
This is a small transistor receiver for the medium wave range made in Japan in the 1960s. The...