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How to use a table to graph logarithmic function

Learn how to graph logarithmic functions. The logarithmic function is the inverse of the exponential function. To graph a ...
EDN

Dpot pseudolog + log lookup table = actual logarithmic gain

This is the Microchip MCP41xxx digital potentiometer data sheet that includes (on page 15, their Figure 4-4) an interesting application circuit comprising a Dpot controlled amplifier with ...