This circuit is an improved version of the previous ones with the LM3914. We found it in the March 1992 issue of Radio Electronics magazine.
Found in an American publication from the 1980s, this circuit can be found in commercial sound...
We found this circuit in the May 1989 Radio Electronics magazine. The circuit can have its values...
This circuit was found in a 90s Radio Electronics. The integrated circuit admits an equivalent. The...