This circuit was found in documentation from the 1980s. The circuit uses several components of the time, which are uncommon today. We must not supply it with a transformerless power supply.
This circuit can drive a loudspeaker with near 1 W of Power from 6 to 9 V supplies. The circuit...
This circuit was found in the January 1991 issue of Radio Electronics magazine. The circuit uses...
The acquisition of data, from a transducer, so that these data can be converted to digital form...