This very simple amplifier was found in the Philips Databook of 1990. The circuit is suitable for headphones and other battery powered applications.
This circuit, from a 1985 documentation, produces several types of sound effects selected by the...
This optical pass-through shield can be used in various applications, such as object sensing or...
Found in a 90s documentation, this circuit makes use of D1, a switching diode that is uncommon today....