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 circuit was found in a Hands-On Electronics. Some restrictions must be considered as the need...
Found in a Philips documentation from 1968, this circuit detects the trimpot set input voltage....
The first circuit we present is ideal for matching the low impedance of transducers, such as...