A circuit diagram of a <a href="https://en.wikipedia.org/wiki/logarithmic_amplifier" class="extiw" title="en:logarithmic amplifier">logarithmic amplifier</a> made using an <a href="https://en.wikipedia.org/wiki/operational_amplifier" class="extiw" title="en:operational amplifier">operational amplifier</a> and transistor.
<a href="//commons.wikimedia.org/w/index.php?title=User:Ankush.khanna.007&amp;action=edit&amp;redlink=1" class="new" title="User:Ankush.khanna.007 (page does not exist)">User:Ankush.khanna.007</a>
2008-01-12
<span class="int-own-work" lang="en">Own work</span>. Created with MS Word.