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.
February 25, 2015 - Mouser Electronics, Inc. today announced their new Robotics Technology site....
This circuit was found in an Australian publication from 1991. The circuit emits a tone as well as...
This circuit is from an old publication but can be implemented with modern silicon transistors such as...