E9C13
1. How does the radiation pattern of a horizontally polarized antenna vary with increasing height above ground?
E6B06
2. Which of the following is a common use of a Schottky diode?
E5D01
3. What is the result of conductor skin effect?
E6A06
4. What is the beta of a bipolar junction transistor?
E4E06
5. What type of electrical interference can be caused by computer network equipment?
E3C05
6. What orientation of Bz (B sub z) increases the likelihood that charged particles from the Sun will cause disturbed conditions?
E4C03
7. What is the term for the suppression in an FM receiver of one signal by another stronger signal on the same frequency?
E9H09
8. What type of radiation pattern is created by a single-turn, terminated loop such as a pennant antenna?
E7C03
9. What is the purpose of adding an inductor to a Pi-network to create a Pi-L-network?
E7F01
10. What is meant by "direct sampling" in software defined radios?
E1A09
11. Except in some parts of Alaska, what is the maximum power permitted on the 630-meter band?
E7E07
12. What is meant by the term "baseband" in radio communications?
E2C03
13. From which of the following bands is amateur radio contesting generally excluded?
E4B08
14. Which of the following can be used to determine the Q of a series-tuned circuit?
E7B02
15. What is a Class D amplifier?
E8C04
16. What technique minimizes the bandwidth of a PSK31 signal?
E4A10
18. Which trigger mode is most effective when using an oscilloscope to measure a linear power supply's output ripple?
E1B06
19. Which of the following additional rules apply if you are erecting an amateur station antenna structure at a site at or near a public use airport?
E4D12
20. What is the link margin in a system with a transmit power level of 10 W (+40 dBm), a system antenna gain of 10 dBi, a cable loss of 3 dB, a path loss of 136 dB, a receiver minimum discernable signal of -103 dBm, and a required signal-to-noise ratio of 6 dB?
E0A10
21. When must an RF exposure evaluation be performed on an amateur station operating on 80 meters?
E2E04
22. Which of the following is characteristic of the FST4 mode?
E2B01
23. In digital television, what does a coding rate of 3/4 mean?
E6E08
24. How is power supplied to the most common type of MMIC?
E9B05
25. What type of antenna pattern is shown in Figure E9-2?
E1F10
26. Who may be the control operator of an auxiliary station?
E5A04
27. What is the magnitude of the impedance of a parallel RLC circuit at resonance?
E6C11
28. In Figure E6-3, which is the schematic symbol for the NOT operation (inversion)?
E7H10
29. What information is contained in the lookup table of a direct digital synthesizer (DDS)?
E6D09
30. What devices are commonly used as VHF and UHF parasitic suppressors at the input and output terminals of a transistor HF amplifier?
E9G04
31. What are the two families of circles and arcs that make up a Smith chart?
E1E01
32. For which types of out-of-pocket expenses do the Part 97 rules state that VEs and VECs may be reimbursed?
E3A13
33. Which of these emission modes is best for auroral propagation?
E7D08
34. What type of circuit is shown in Figure E7-2?
E1C11
35. Which of the following operating arrangements allows an FCC-licensed US citizen to operate in many European countries, and amateurs from many European countries to operate in the US?
E2A09
36. What do the terms "L band" and "S band" specify?
E7G12
37. What is an operational amplifier?
E6F02
38. What happens to photoconductive material when light shines on it?
E1D11
39. Which amateur stations are eligible to operate as Earth stations?
E5B07
40. What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 500 ohms, R is 1 kilohm, and XL is 250 ohms?
E9D08
41. What happens as the Q of an antenna increases?
E5C05
42. What kind of diagram is used to show the phase relationship between impedances at a given frequency?
E9A01
43. What is an isotropic radiator?
E8B11
44. What is digital time division multiplexing?
E8D07
45. What is a common cause of overmodulation of AFSK signals?
E3B04
46. What are "extraordinary" and "ordinary" waves?
E8A06
47. What is the approximate ratio of PEP-to-average power in an unprocessed single-sideband phone signal?
E2D06
48. Which of the following is a method for establishing EME contacts?
E7A01
49. Which circuit is bistable?
E9E05
50. What Yagi driven element feed point impedance is required to use a beta or hairpin matching system?
Warning! You skipped 0 question(s).