ECE201Lect-10

ECE201Lect-10 - ECE201 Lect-10 1 Loop (Mesh) Analysis (3.2)...

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Unformatted text preview: ECE201 Lect-10 1 Loop (Mesh) Analysis (3.2) ECE201 Lect-10 2 Loop Analysis • Nodal analysis was developed by applying KCL at each non-reference node. • Loop analysis is developed by applying KVL around loops in the circuit. • Loop (mesh) analysis results in a system of linear equations which must be solved for unknown currents. ECE201 Lect-10 3 Example: A Summing Circuit • The output voltage V of this circuit is proportional to the sum of the two input voltages V 1 and V 2 . • This circuit could be useful in audio applications or in instrumentation. • The output of this circuit would probably be connected to an amplifier. ECE201 Lect-10 4 Summing Circuit Solution: V out = ( V 1 + V 2 )/3 + – V out 1k Ω 1k Ω 1k Ω V 1 V 2 + – + – ECE201 Lect-10 5 Steps of Mesh Analysis 1. Identify mesh (loops). 2. Assign a current to each mesh. 3. Apply KVL around each loop to get an equation in terms of the loop currents. 4. Solve the resulting system of linear equations. ECE201 Lect-10 6 Mesh 2 1k Ω 1k Ω 1k Ω Identifying the Meshes V 1 V 2 Mesh 1 + – + – ECE201 Lect-10...
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This document was uploaded on 03/12/2012.

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ECE201Lect-10 - ECE201 Lect-10 1 Loop (Mesh) Analysis (3.2)...

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