Isolated Logarithmic Amp Leverages High-Linearity Optocouplers (.PDF Download)

Logarithmic amplifiers with their log functionality are useful for compressing wide dynamic-range signals whereby the measured quantities are in decibels (dB). They’re used in a wide variety of applications, such as video, medical, and test-and-measurement systems. Logarithmic amplifiers can be built to be compact, easy-to-use, and cost-effective circuits suitable for certain analog designs.

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