This very simple amplifier was found in the Philips Databook of 1990. The circuit is suitable for headphones and other battery powered applications.
This simple rhythmic light circuit uses a 110 V to 220 V transformer and can hold a good number of...
This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not...
This circuit was found in a 90’s Electronic Engineering. The integrated circuits are of the time...