ECE 201 Circuit Theory I1 Thevenin Equivalent of a circuit containing a dependent source.

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Presentation transcript:

ECE 201 Circuit Theory I1 Thevenin Equivalent of a circuit containing a dependent source

ECE 201 Circuit Theory I2 Solving for V Th

ECE 201 Circuit Theory I3 Solving for I sc I sc 20I I

ECE 201 Circuit Theory I4 Calculate R Th

ECE 201 Circuit Theory I5 Thevenin Equivalent Circuit

ECE 201 Circuit Theory I6 Alternate Method De-activate the independent voltage source and excite the circuit from the a-b terminals with either a voltage or current source. Here, use a voltage source – then we will know the dependent voltage and dependent current.

ECE 201 Circuit Theory I7 Thevenin Resistance (continued) Apply voltage V T and determine the current I T. The Thevenin Resistance will be R T = V T / I T. ITIT

ECE 201 Circuit Theory I8 Thevenin Resistance (continued) I 20I ITIT

ECE 201 Circuit Theory I9 Thevenin Equivalent Circuit