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Integrated DC logarithmic amplifiers

Posted: 23 Apr 2007  Print Version  Bookmark and Share Subscribe

Keywords: logarithmic amplifiers  bipolar transistors  integrated DC log amp 

[Summary of tips] This article derives the overall DC log amp transfer function from the VBE-to-IC transfer characteristic of bipolar transistors. It discusses the circuit blocks encountered in a modern-day integrated DC log amp, the various errors affecting log amp performance, and a design example featuring the MAX4206. Finally, suggestions fo......
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