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 configuration was found in a 1976 documentation. Note the use of pin 4 input for reset. The...
This circuit was found in the December 1993 issue of Electronics Now. With the components shown the...
This circuit was found in a 73 magazine for radio amateurs from the 90s. The circuit uses high...