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logarithmic amplifier
log·a·rith·mic am·pli·fi·er (plural log·a·rith·mic am·pli·fi·ers)


noun 
Definition:
 
amplifier with logarithmic response: an amplifier with an output amplitude that has a logarithmic relationship to the input signal
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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