1. Lecture 5 Introduction to Electronics Rabie A. Ramadan rabieramadan@gmail.com http://www.rabieramadan.org/classes/2014/electronics/

2. Lecture 4, Slide 2 Diode Applications

3. Lecture 4, Slide 3 SERIES DIODE CONFIGURATIONS WITH DC INPUTS

4. Lecture 4, Slide 4 Diode in Reverse State

5. Lecture 4, Slide 5 Example For the series diode configuration, determine V D, V R, and I D

6. Lecture 4, Slide 6 Example 2 If the diode in reverse order, determine V D, V R, and I D

7. Lecture 4, Slide 7 Example 3 For the series diode configuration, determine VD, VR, and ID.

8. Lecture 4, Slide 8 Example 4 Determine Vo and ID for the series circuit?

9. Lecture 4, Slide 9 Example 5 Determine ID, VD2, and Vo for the circuit

10. Lecture 4, Slide 10 Example 5

11. Lecture 4, Slide 11 Example 6

12. Lecture 4, Slide 12 Example 6

13. Lecture 4, Slide 13 Example 7 Determine the current I for the network?

14. Lecture 4, Slide 14 Example 7

15. Lecture 4, Slide 15 AND/OR GATES Determine Vo for the network

16. Lecture 4, Slide 16 AND/OR GATES Vo = E - V D = 10 V - 0.7 V = 9.3 V.

17. Lecture 4, Slide 17 AND/OR GATES For the same circuit: Try E1 =10, E2 = 10 Try E1 = 0, E2 = 10 Try E1 = 0, E2 =0 E1 E2

18. Lecture 4, Slide 18 AND/OR GATES Determine the output level for the positive logic AND gate?

19. Lecture 4, Slide 19 AND/OR GATES V0 Still small – did not reach the logic 1

20. Lecture 4, Slide 20 SINUSOIDAL INPUTS; HALF-WAVE RECTIFICATION

21. Lecture 4, Slide 21 SINUSOIDAL INPUTS; HALF-WAVE RECTIFICATION

22. Lecture 4, Slide 22 SINUSOIDAL INPUTS; HALF-WAVE RECTIFICATION

23. Lecture 4, Slide 23 Example Sketch the output V o and determine the dc level of the output for the network of:

24. Lecture 4, Slide 24 Example

25. Lecture 4, Slide 25 FULL-WAVE RECTIFICATION Bridge Network

26. Lecture 4, Slide 26 Positive input part

27. Lecture 4, Slide 27 Negative input part Polarity on R did not change

28. Lecture 4, Slide 28 Your Assignment Read chapter 2, then determine the Vdc, V0, and Vomax

29. Lecture 4, Slide 29 Zener Diods On and Off states

30. Lecture 4, Slide 30 simplest of Zener diode network

31. Lecture 4, Slide 31 simplest of Zener diode network Determine the state of the Zener diode by removing it from the network and calculating the voltage across the resulting open circuit.

32. Lecture 4, Slide 32 Substitute the appropriate equivalent circuit and solve for the desired unknowns.

33. Lecture 4, Slide 33 Example

34. Lecture 4, Slide 34 Solution

35. Lecture 4, Slide 35 Solution

36. Lecture 4, Slide 36 Solution

37. Lecture 4, Slide 37 Solution