Purdue
ECE 20100 -
Lecture 12 - Thevenin&Norton II
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ECE 201 Lecture 12 Borja Peleato Thevenin and Norton equivalents II 1 Pathological cases Some circuits do not have a Thevenin or Norton equivalent 2 3 4 5 6 7 Sufficient Conditions Most circuits have both a Thevenin and Norton equivalents but Some circuits only have Thevenin Others only have Norton Some very strange ones have none The following sufficient conditions hold If there is a Thevenin equivalent and RTH is NOT 0 then there is a Norton equivalent If there is a Norton equivalent and 1 RN is NOT 0 then there is a Thevenin equivalent 8 Equivalents from measured data 9 Open circuit Short circuit 10 Example 11 12 13
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