1. Lecture 15: Extra More on Sinusoidal Steady- State Analysis & MT Review Nilsson & Riedel 9.7-9.9, 9.12 ENG17 (Sec. 2): Circuits I Spring 2014 1 May 20, 2014

2. Overview Source Transformations Node-Voltage Mesh-Current Phasor Diagrams MT Review 2

3. Source Transformations 3 Same as before, but now with impedances

4. Thevenin-Norton Equivalents 4

5. Example 5 Find using source transformation

6. Example 6 Find Thevenin Equivalent

7. Overview Source Transformations Node-Voltage Mesh-Current Phasor Diagrams MT Review 7

8. Node-Voltage Example 8 Find I a, I b, I c

9. Overview Source Transformations Node-Voltage Mesh-Current Phasor Diagrams MT Review 9

10. Mesh-Current Example 10 Find V a, V b, V c

11. Overview Source Transformations Node-Voltage Mesh-Current Phasor Diagrams MT Review 11

12. Phasor Diagrams 12

13. Example 13 Use phasor diagram to find R that will cause resistor current (i R ) to lag the source current (i S ) by 45° when ω = 5 krad / s.

14. Overview Source Transformations Node-Voltage Mesh-Current Phasor Diagrams MT Review 14

15. Difficulties 15

16. Op Amp Circuits 16

17. Sequential Switching 17

18. Unbounded Response 18

19. RLC Circuits 19

20. Phasors 20

21. Extra Office Hours Tomorrow, Wednesday 3-5pm Kemper 2101 21