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Home › Magazines › 2006 › October › Logarithmic Volume Control

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Logarithmic Volume Control

design tip

Published in issue 358, October 2006

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.

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PDF Article (u061076.pdf)
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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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