This circuit can be used as an amplifier for musical instruments or even with your cell phone. The circuit is old and was found in the 1990 edition of Radio Electronics Experimenter magazine.
This was the original title given by the publication of the 80s in which we found it. Similar...
This circuit is from the 1983 Intersil manual. The display is a 4.5-digit LCD, and the power...
This V/F converter was published in the June 1991 issue of Radio Electronics magazine. The...