1. FIGURE 15-1 Sound system feedback. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

2. FIGURE 15-2 Fundamental oscillator parts. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

3. FIGURE 15-3 LC tank circuit being charged: (a) basic circuit; (b) charging action; (c) charged capacitor. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

4. FIGURE 15-3 continued LC tank circuit being charged: (a) basic circuit; (b) charging action; (c) charged capacitor. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

5. FIGURE 15-4 Charge-discharge action of an LC circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

6. FIGURE 15-4 continued Charge-discharge action of an LC circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

7. FIGURE 15-4 continued Charge-discharge action of an LC circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

8. FIGURE 15-4 continued Charge-discharge action of an LC circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

9. FIGURE 15-5 Wave types: (a) damped oscillatory wave; (b) continuous wave. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

10. FIGURE 15-5 continued Wave types: (a) damped oscillatory wave; (b) continuous wave. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

11. FIGURE 15-6 RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

12. FIGURE 15-6 continued RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

13. FIGURE 15-6 continued RF oscillator coils. (Courtesy of J.W. Miller Division/Bell Industries. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

14. FIGURE 15-7 Armstrong oscillator: (a) circuit; (b) characteristic curves. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

15. FIGURE 15-8 Hartley oscillator. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

16. FIGURE 15-9 Colpitts oscillator. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

17. FIGURE 15-10 Crystal equivalent circuits: (a) series resonant; (b) parallel resonant. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

18. FIGURE 15-11 Crystal-controlled oscillators: (a) Hartley; (b) Colpitts. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

19. FIGURE 15-11 continued Crystal-controlled oscillators: (a) Hartley; (b) Colpitts. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

20. FIGURE 15-12 Pierce oscillator. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

21. FIGURE 15-13 Time constant circuits: (a) RL circuit; (b) RC circuit. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

22. FIGURE 15-14 Universal time constant curves: (a) charging or rise time curve; (b) discharging or decay time curve. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

23. FIGURE 15-15 RC charging action: (a) circuit; (b) circuit values. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

24. FIGURE 15-16 RC discharging action: (a) circuit; (b) circuit values. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

25. FIGURE 15-17 UJT oscillator. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

26. FIGURE 15-18 Astable multivibrator. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

27. FIGURE 15-19 Monostable multivibrator. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

28. FIGURE 15-20 Monostable multivibrator waveforms: (a) trigger input waveform; (b) differentiator output waveform; (c) monostable multivibrator output waveform. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

29. FIGURE 15-21 Bistable multivibrator. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

30. FIGURE 15-22 Internal circuits of an LM555 IC. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

31. FIGURE 15-23 Astable multivibrator: (a) circuit; (b) waveforms. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. (b)(a)

32. FIGURE 15-24 Transistor vertical-blocking oscillator. Solid arrows denote C1 charge path; dashed arrows denote C1 discharge path. Dale R. Patrick Electricity and Electronics: A Survey, 5e Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.