Frenzel Self-test in Antennas and Transmission Lines – Answers

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(Last Updated On: February 9, 2020)

Answers for Frenzel Self-test in Antennas and Transmission Lines

Below are the answers key for Frenzel Self-test in Chapter 9: Antennas and Transmission Lines from the book COMMUNICATIONS ELECTRONICS by Louis E. Frenzel. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.

1. balanced, coax

2. unbalanced

3. wavelength

4. 0.667

5. 1.475

6. characteristic or surge impedance

7. low-pass filter, capacitors, inductors

8. 75.23

9. 6.25

10. 52

11. constant or fiat

12. standing waves

13. reflected

14. standing waves

15. 1.44

16. 1

17. open, shorted

18. reflection coefficient

19. 1.67,0.25

20. 7

21. 1, infinity

22. tuned or resonant circuits

23. 6.3 [0.07(90)=6.3] (See Fig. 9-12.)

24. high or infinite

25. open, shorted

26. inductors, capacitors

27. series

28. 2.788

29. electric, magnetic

30. electric field

31. transmission or feed line

32. vertically

33. dipole or doublet

34. 3.12

35. 73

36. figure eight

37. beam width

38. omni directional

39. ground plane

40. 3.16

41. earth ground, radials

42. circle

43. 36.5

44. bidirectional

45. one

46. gain

47. elements

48. parasitic, driven

49. director, reflector, driven element

50. director, reflector

51. director

52. 20, 40

53. 2.1

54. collinear, end-fire, broadside

55. true

56. log-periodic

57. antenna tuner

58. balun

59.Q section, matching stub

60. 60.4:1

61. 9.39

62. ground or surface wave, sky wave, direct or space wave

63. ground, surface

64. sky

65. 65. direct or space

66. 3

67. ionosphere

68. F

69. refracted or bent

70. true

71. false

72. 3, 30

73. multiple hop

74. straight line

75. repeaters

76. transmitter, receiver

Complete List of Self-test and Reviewers in Communications Electronics

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