Electronics Engineering Review Materials: Section 2 Module 8 | ECE Board Exam

(Last Updated On: March 16, 2020)

Electronics Review Materials: Section 2 Module 8

This is the Section 2 Module 8 of the compiled Electronics Review Materials taken from different sources including but not limited to Electronics books, past Board Exams Questions, Journals and the Internet. This particular reviewer in Electronics Engineering has random Questions and Answers in random topics. Make sure to familiarize each questions to increase the chance of passing the ECE Board Exam.

Electronics Engineering Reviewers: Section 2 Module 8

1. Oscillates – Gunn diode

2. Coherent radiation – laser diode

3. Input FET signal – small

4. Analysis of sinusoidal transistor – large or small signals analysis

5. Tapped coil – Hartley

6. “… opposing flux..” – Lenz law

7. Rapid switching of magnetic field, DC.. – Wiegand effect

8. Class A output – unclipped

9. Variable capacitor – varactor

10. Capacitance in a varactor is varied by – reverse voltage

11. Unimportant factor – current gain

12. 555 timer output – rectangular

13. Astable 555 timer, stable states = 0

14. Distorted slew rate of sine wave – triangular wave

15. Least distorted in digital signal- Bessel

16. N=10, flash over… – Elliptical

17. GBW– predistortion

18. Increase frequency in coil- increase positively

19. Increase frequency in capacitance – decrease negatively

20. High output, low input- full wave center tap

21. Geomagnetic field- slanted to rotational axis

22. Constant frequency in FET- stability

23. Negative gain, input to output – 180 degrees out of phase

24. Common emitter- 180 degrees out of phase

25. -15dB = input is stronger than output

26. WXYZ inputs, possible inputs: 16

27. X and Y are high, X NOT Y? low

28. Six binary digit, highest decimal? 63

29. Transmitter and receiver in a box – transceiver

30. Transresistance- output voltage to input current

31. Transconductance ,gm= 1000us-5000us

32. Magnetron, increase frequency – output decreases

33. FET input resistance– 1M to several megaohms

34. Klystron- highest achievable output

35. Q decrease in colpitts- output decrease

36. LF157A- BiFET

37. 741C- discrete resistors

38. Open loop, cut off frequency of 741C – compensating capacitor

39. To enhance stability, ground the- control grid

40. Five grids- heptode

41. Three grids– pentode

42. Power factor = true power over apparent power

43. Six second order approximation and one 1st order approximation order of the system – 13

44. Second order – 0 – 360 degrees

45. A/DA converter

46. AC collector = ac base times ac current gain

47. Unity closed loop voltage gain times cut-off frequency

48. lowest drop-off voltage – Germanium

49. graph from center – peak amplitude

50. if load resistance of oscillator is too high, what will happen – no worries, it can not go high

51. image frequency it too close to incoming signal

52. need most driving power – Class B

53. one fourth ISDD, pinch off voltage – one half

54. avalanche breakdown is applied in – voltage regulator

55. photodiode, not used as photovoltaic cell- reverse bias

56. all pass filter- delay equalizer

57. state variable filter – high pass, low pass, band pass

58. FET gate is equivalent to control grid of vacuum tube

59. Q at TSEB

60. VDB

61. Emitter resistance is____ than the load resistance – less

62. Audio amplifier- 20 Hz to 20 kHz

63. Platter can be found in- hard disk

64. Info is written in audio recording tape – diagonal edge of tape

65. Preceding voltage regulator – filter

66. Upper EMOSFET – two terminal

67. Represents 1 in positive logic = +4V

68. Represents 1 in negative logic = 0V

69. Single output, multiple input- Universal Logic Module

70. Frequency multiplication in diode because diode is- nonlinear

71. Property of diode that … frequency multiplication – nonlinear

72. One shot multivibrator increase- time capacitance increase

73. Resistor to diode in series- protection from surge currents

74. Tail current – two times either collector current

75. When Q is greater than one, bandpass filter is designed with – MFB stages

76. Upper and lower frequencies, voltage gain = 0.707 amid

77. Maximum peak to peak, Q should be at – ac center load line

78. Typical input of op-amp- differential input, differential output

79. Emitter follower distortion- very low

80. Inductive reactance is equal to resistance of RL circuits, phase difference is- 45 degrees

81. Characteristic impedance depends on- construction on transmission lines

82. To minimize interelectrode capacitance- keep wires short

83. Cold cathode- no filament

84. Cathode is heated directly- filament serves as cathode

85. Vacuum tube for high power RF amplifier

86. Capacitance…- signal frequency

87. FET preferred over BJT- radio receiver

88. Bandwidth of PLL- capture range

89. Thermal shutdown – internal temperature is too high

90. Impractical in silicon chip- inductors

91. When capacitive plate thickness increases,

Ans. Capacitive reactance decreases negatively

92. Distortion of emitter follower

Ans. Very low

93. Resistivity

Ans. Ohms per meter

94. Input produces the same output shape

Ans. It is linear

Complete List of Section 2 Modules in Electronics (Q&A)

Print Friendly, PDF & Email
Please do Subscribe on YouTube!

P inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. Also provides professionals with materials for their lectures and practice exams. Help me go forward with the same spirit.

“Will you subscribe today via YOUTUBE?”


Add Comment

PinoyBIX Engineering. © 2014-2020 All Rights Reserved | How to Donate? | Follow me on Blogarama DMCA.com Protection Status

Math Solution

Advanced Math problem age work mixture digit motion Analytic Geometry 01 problem Analytic Geometry 02 problem clock variation progression misc Combination problem Differential Calculus 01 Problem Differential Calculus 02 Problem Differential Equations Problem Fundamentals in Algebra Fundamentals in Algebra Problem Integral Calculus problem Permutation problem Plane Geometry problem Plane Trigonometry problem Probability problem quadratic equation binomial theorem logarithms Solid Geometry problem Spherical Trigonometry problem System of Numbers Problem Venn Diagram Problem

Questions and Answers in Mathematics

Advanced Math Age Work Mixture Digit Motion Algebra and General Mathematics Analytic Geometry 01 Analytic Geometry 02 Calculus Clock Variation Progression Misc Differential Calculus 01 Differential Calculus 02 Differential Equations Engineering Mathematics Geometry Integral Calculus Plane Geometry Plane Trigonometry Probability and Statistics Quadratic Equation Binomial Theorem Logarithms Solid Geometry Spherical Trigonometry System of Numbers Trigonometry


Pre-board in Electronics Engineering

Answers Pre-board in Electronics Engineering - Answers

Questions and Answers

Basic Television - Grob TV Boylestad Questions and Answers Computer Principles Electrical Circuit Electricity and Magnetism Fundamentals Electronic Circuits Floyd Questions and Answers Floyd Self-test Gibilisco Questions and Answers Grob Questions and Answers Industrial Electronics Principles and Applications Malvino Questions and Answers Microelectronics Power Generators / Sources / Principles and Applications Solid State Devices Tests and Measurements Vacuum Tubes

Pre-board in Communications Engineering


Questions and Answers

Acoustics Antennas Blake Questions and Answers Broadcasting and Cable TV System Digital Communication Networks Forouzan Frenzel Self-test Kennedy Questions and Answers Microwave Communications Miscellaneous Questions in Communications Modulation Navigational Aids and Radar Systems Noise Optical Fiber Communications Radiation and Wave Propagation Satellite Communications Transmission Fundamentals Wire and Wireless Communications

GEAS Solution

Dynamics problem Economics problem Physics problem Statics problem Strength problem Thermodynamics problem

Pre-board in GEAS

Questions and Answers in GEAS

Engineering Economics Engineering Laws and Ethics Engineering Management Engineering Materials Engineering Mechanics General Chemistry Giancoli Physics Physics Strength of Materials Thermodynamics
Online Tool: Electrical Charge Conversions
Online Tool: Electrical Charge Conversions
Online Tool: Color Code Conversions
Online Tool: Color Code Conversions
Online Tool: Weight Measurement Conversions
Online Tool: Weight Measurement Conversions
Online Tool: Temperature Measurement Conversions
Online Tool: Temperature Measurement Conversions