EE100Su08 Lecture 4 June 30th 2008 Outline Questions Lab notes Finish lab 1 will shorten lab 2 and others Dependent Sources Example Node Voltage Analysis Concept Examples Node voltage method with dependent sources EE100 Summer 2008 Slide 1 Bharathwaj Muthuswamy EE100 Summer 2008 Slide 2 Bharathwaj Muthuswamy EE100 Summer 2008 Slide 3 Bharathwaj Muthuswamy EE100 Summer 2008 Slide 4 Bharathwaj Muthuswamy EE100 Summer 2008 Slide 5 Bharathwaj Muthuswamy EE100 Summer 2008 Slide 6 Bharathwaj Muthuswamy EE100 Summer 2008 Slide 7 Bharathwaj Muthuswamy Node Voltage Circuit Analysis Method EE100 Summer 2008 Slide 8 Bharathwaj Muthuswamy Node Voltage Circuit Analysis Method 1 Choose a reference node ground Look for the one with the most connections 2 Define unknown node voltages those which are not fixed by voltage sources 3 Write KCL at each unknown node expressing current in terms of the node voltages using the I V relationships of branch elements Special cases floating voltage sources 4 Solve the set of independent equations N equations for N unknown node voltages EE100 Summer 2008 Slide 9 Bharathwaj Muthuswamy Nodal Analysis Example 1 R 3 R1 V1 R2 R4 IS 1 Choose a reference node 2 Define the node voltages except reference node and the one set by the voltage source 3 Apply KCL at the nodes with unknown voltage 4 Solve for unknown node voltages EE100 Summer 2008 Slide 10 Bharathwaj Muthuswamy Nodal Analysis Example 1 R1 EE100 Summer 2008 V1 R 3 R2 Slide 11 R4 IS Bharathwaj Muthuswamy EE100 Summer 2008 Slide 12 Bharathwaj Muthuswamy EE100 Summer 2008 Slide 13 Bharathwaj Muthuswamy EE100 Summer 2008 Slide 14 Bharathwaj Muthuswamy
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