The circuit is from 80s Siliconix documentation. The integrated circuit is from the company and is not common today. It can be used operational equivalent more common in our times.
The signals from this circuit obtained from the 1965 Radio Shack documentation are picked up from...
This circuit was found in a 1977 Radio Shack documentation. The unijunction transistor can be...
A new version of the previous circuit triggered by the negative transition of the input signal is...