The integrated circuits used in this thermometer are not very common today. The indicator is a microammeter for a scale from 0 to 100o C. The supply must be made with a voltage of 1 to 12 V.
This switching boost regulator, which provides a 24 V output from a 12 V input, was found in the...
This circuit time the activation of appliances and electronics when the power is cut, thus...
This FM detector circuit was found in a 1977 documentation. The circuit uses a 1977 Signetics...