• on Audio/Video/Photography
  • Published in issue 10/2006 on page 0
About the article

Logarithmic Volume Control

design tip

Logarithmic Volume Control
This volume control makes use of an operational amplifier and a few passive components to mimic the operation of a logarithmic control while using a linear potentiometer. The circuit does better in terms of reliability when compared to other designs employing double linear pots to create the logarithmic transfer function.
Downloading of this magazine article is reserved for Elektor Members only.
Already a member? click here to log in.
Loading comments...