This circuit was found in an old documentation, being able to generate signals of frequencies in the range of 50 to 100 MHz. The components are of the time.
This circuit, suitable for record players with magnetic phonocaptors (pickups), has RIAA...
We found this logic level tester in a 1976 documentation. The circuit is powered by the voltage of the...
In the figure we have an example of an application of a monostable in which the shot is made by...