Found in a Popular Electronics from the 90's, this circuit can generate frequencies according to the values of the employed components, according to the table next to the diagram.
This circuit was found in a 90s American documentation. The circuit uses an LED that can be of a...
Damped sine oscillations can be produced when short pulses are applied to the input of this...
We found this circuit in the Philips integrated circuits manual of 1990. The circuit must be...