Found in Electronics Now from the 1980s, this amplifier can also be seen in commercial amplifiers of the time. The integrated used is uncommon nowadays. The power is 33 W.
This circuit, from a technical documentation from the 1970s, converts a low frequency sinusoidal signal...
This circuit consists of an emitter follower, presenting unit voltage gain implemented with an...
This siren was found in a 1980s documentation. The circuit makes use of very old operational that were...