This circuit simulates an American siren and can be found elsewhere on this website and section. The circuit is from a 90s documentation. Preferably, the signal should be applied to an amplifier.
This sophisticated sinusoidal audio signal generator uses a Wien bridge configuration with an...
This AC amplifier using the 741 operational amplifier uses a dual supply from 5 to 12 V. The input...
This circuit was found in the Spanish magazine No longer in existence, Mundo Electrónico, in a...