This circuit is from a National Semiconductor manual from the 1980s. The integrated circuit is rare today and next to the diagram we have the formula for calculating the components.
This circuit was found in General Electric's 1965 documentation. It appears elsewhere on the site....
We found this circuit in a 1962 publication by General Electric. The circuit applies to common...
This multi-output oscillator uses CMOS integrated circuits that are uncommon today, but they can...