# Feb2 - 1FPw cr2Z1 t1e1h1 p 1iQ5 D)i1 LfrnJ2 4 p h rr(JAJ...

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1FPw cr2Z1- t1e1h1 D)i1 * p --) 1iQ5 p4 LfrnJ2 h rr’ f7Ay? eiø241OI. (JAJ) i1p° Qtl) 12 IL )

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ECE-301 VVL L) sL.. Mesh Current Analysis: Summary: I C 1. Find initial conditions (ICs). 2. Transform circuit to s-domain using voltage sources for ICs. Assign mesh currents {Ii(s),1 2 (s), . .. }. 3. Using KVL around each loop, write circuit eqns in terms of {I1(s),12(5),. ..}. 4. Solve eqns (using Cramer’s rule, Matlab, etc.). Notes: a) Applicable only if the circuit can be drawn on a flat surface without crossovers. PL.Al4A_ CTS b) If there are current_sources, then either Isolate current source in a single mesh current. Convert to voltage source using Thévenin equivalent. Last resort: Define a supermesh. Phil Schniter li(s) ) ‘2(5) 7
Phil Schniter ECE-301 4 Example of Mesh Current Analysis: v’) Initial currents and voltages equal zero, 2) Transformig s-domain... 1 20s 0 I 1 00i Current_sourceIaby rearra nging circuit: 13(5) = = 100(I 1 (s)—1 2 (s)) 1 L 1o Now don’t need to solve for 13 since it’s determined by Ic’, t() I and 12.

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