This circuit is from an old documentation, making use of an operational of the time. The circuit can be adapted to use modern components. The power supply must be symmetrical.
The diagram of this source appeared in a 1982 American publication, drawing attention to its...
The circuit shown in the figure was found in a 1974 publication. The field effect transistor may...
One 4018 is used to divide the frequency of a digital signal by ten as shown here. The maximum...