Keywords: Op-Amp Comparator.svg A circuit diagram of a comparator made using an operational amplifier <math> V_\mathrm out \left\ \begin matrix V_\mathrm S+ V_1 > V_2 \\ V_\mathrm S- V_1 < V_2 \end matrix \right </math> own 2009-01-26 Inductiveload Own work all rights released Public domain Operational amplifier circuits |