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 sensor circuit from a 1967 Ferranti documentation uses components from the era. The circuit...
This circuit was found in the November 1992 issue of Radio Electronics magazine. The circuit has...
This circuit eliminates hiss and other noise from audio sources by cutting frequencies above 10...