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FIGURE 10-1 Crystal structure of a junction diode. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc.

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Presentation on theme: "FIGURE 10-1 Crystal structure of a junction diode. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc."— Presentation transcript:

1 FIGURE 10-1 Crystal structure of a junction diode. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

2 FIGURE 10-2 Semiconductor materials. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

3 FIGURE 10-3 Depletion-zone formation. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

4 FIGURE 10-4 Barrier potential of a diode. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

5 FIGURE 10-5 Reserve-biased diode. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

6 FIGURE 10-6 Reserve-biased P-N junction. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

7 FIGURE 10-7 Minority current carriers. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

8 FIGURE 10-8 Forward-biased diode. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

9 FIGURE 10-9 Current carrier flow in a forward-biased diode. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

10 FIGURE (a)I-V characteristics of a diode; (b) diode characteristic test circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

11 FIGURE (a) Reverse I-V characteristics of a diode; (b) reverse characteristic test circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. (a)

12 FIGURE continued (a) Reverse I-V characteristics of a diode; (b) reverse characteristic test circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. (b)

13 FIGURE Diode current-voltage characteristics. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

14 FIGURE Silicon and germanium diode characteristics. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

15 FIGURE Data sheet for a silicon diode. (Courtesy of Texas Instruments.) Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

16 FIGURE continued Data sheet for a silicon diode. (Courtesy of Texas Instruments.) Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

17 FIGURE I-V characteristics of a silicon diode at 100, 25, and-5-C. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

18 FIGURE Diode packages: (a) low-current diodes; (b) medium-current diodes; (c) high-current diodes. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

19 FIGURE continued Diode packages: (a) low-current diodes; (b) medium-current diodes; (c) high-current diodes. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

20 FIGURE continued Diode packages: (a) low-current diodes; (b) medium-current diodes; (c) high-current diodes. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

21 FIGURE Diode: (a) crystal structure; (b) symbol and element names. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

22 FIGURE continued Diode: (a) crystal structure; (b) symbol and element names. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

23 FIGURE Diode testing with an ohmmeter: (a) forward-bias test connection; (b) reverse-bias test connection. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

24 FIGURE continued Diode testing with an ohmmeter: (a) forward-bias test connection; (b) reverse-bias test connection. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

25 FIGURE Zener diode: (a) I-V characteristics; (b) test circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

26 FIGURE Zener diode symbol and crystal structure. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

27 FIGURE Zener diode regulator circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

28 FIGURE Light-emitting diode: (a) symbol; (b) crystal structure; (c) transparent lens. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

29 FIGURE continued Light-emitting diode: (a) symbol; (b) crystal structure; (c) transparent lens. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved. (b)

30 FIGURE continued Light-emitting diode: (a) symbol; (b) crystal structure; (c) transparent lens. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

31 FIGURE Seven-segment LED display. Segment forward biasing produces the number 6. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

32 FIGURE Photovoltaic cells: (a) symbol; (b) representative cells. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

33 FIGURE Photovoltaic cell operation. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

34 FIGURE Photodiode: (a) construction; (b) symbol; (c) representative types. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

35 FIGURE Photodiode characteristic: (a) reverse current-light intensity graph; and (b) its test circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

36 FIGURE Diode capacitance values Ta = 25C Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

37 FIGURE Varactor diode symbols. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

38 FIGURE Varactor LC circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

39 FIGURE Principle of thermionic emission. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

40 FIGURE Edison effect. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

41 FIGURE Directly heated vacuum tube. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

42 FIGURE Indirectly heated tube. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

43 FIGURE Operating conditions of a vacuum-tube diode: (a) forward bias; (b) reverse bias. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

44 FIGURE Vp-Ip characteristics of a vacuum-tube diode. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

45 FIGURE Representative vacuum-tube diodes. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.


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