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This document discusses the need to properly bias operational amplifiers (op-amps) and provides solutions. Specifically: 1. Op-amp inputs must be DC biased to ensure proper operation. Biasing is achieved by connecting inputs to a reference potential via resistors. 2. For AC-coupled circuits, a path is needed for DC bias currents since the coupling capacitor blocks this path. Solutions include using dual supplies with a reference leg or a single supply with a voltage divider and buffer. 3. Practical circ

Author

vasiliy

Language

EN