Found in a 1965 Electronic Design, this circuit makes it possible to select signals with an inverted phase using a relay and a unit gain stage.
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...