This circuit is from the 1983 Intersil Databook. The display is plasma and must be excited by a high voltage circuit. The components used in this configuration are not common today.
This 10 kHz filter was obtained from an article in Electronics Now magazine in February 1995. The...
The 8038 integrated circuit consists of a function generator. This component, indicated in a 1974...
We found this amplification step in an English publication from 1977. The circuit does not use a...