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Unformatted text preview: the direction of the mesh current. • Write KVL for every mesh. • Use supermesh method if current source is present in branch between 2 meshes. Superposition • Determine the effect of each independent source taken one at a time. • Deactivate the other sources – short voltage sources, open current sources . Thevenin and Norton • Identify load resistor and remove it. • First find Vth – same as Voc. Use any method. • Then find Rth: when dependent sources are present use the test voltage method. Always deactivate all independent sources. Note: Circuits for Vth and Rth calculation are different. Maximum Power Transfer • First find V th , R th (after removing the load) • When R L = R th , there is maximum power transfer. Operational Amplifiers 2 rules of OpAmps: 1. Current entering the opamp inputs = 0 2. V + = V(Input voltage at the inverting and noninverting inputs are equal)...
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 Fall '06
 MCCANN
 Resistor, rth, equation algebraic sum

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