E2D10
        1. What does the packet path WIDE3-1 designate?
	
 
	
			 	
					
				
	    
		
	
	
	
	E4C09
        2. Which of the following choices is a good reason for selecting a high IF for a superheterodyne HF or VHF  communications receiver?
	
 
	
			 	
					
				
	    
		
	
	
	
	E7E01
        3. Which of the following can be used to generate FM phone signals?
	
 
	
			 	
					
				
	    
		
	
	
	
	E3B05
        4. Which of the following paths is most likely to support long-distance propagation on 160 meters?
	
 
	
			 	
					
				
	    
		
	
	
	
	E3C04
        5. What does the value of Bz (B sub z) represent?
	
 
	
			 	
					
				
	    
		
	
	
	
	E5D05
        6. What parasitic characteristic causes electrolytic capacitors to be unsuitable for use at RF?
	
 
	
			 	
					
				
	    
		
	
	
	
	E9A09
        7. What is antenna efficiency?
	
 
	
			 	
					
				
	    
		
	
	
	
	E4A05
        8. What is the purpose of using a prescaler with a frequency counter?
	
 
	
			 	
					
				
	    
		
	
	
	
	E8C14
        9. What type of addresses do nodes have in a mesh network?
	
 
	
			 	
					
				
	    
		
	
	
	
	E7F08
        10. What is the function of decimation?
	
 
	
			 	
					
				
	    
		
	
	
	
	E2B05
        11. Which of the following describes the use of vestigial sideband in analog fast-scan TV transmissions?
	
 
	
			 	
					
				
	    
		
	
	
	
	E9C01
        12. What type of radiation pattern is created by two 1/4-wavelength vertical antennas spaced 1/2- wavelength apart and fed 180 degrees out of phase?
	
 
	
			 	
					
				
	    
		
 
		
	
	
	
	E6C11
        13. In Figure E6-3, which is the schematic symbol for the NOT operation (inversion)?
	
 
	
			 	
					
				
	    
		
	
	
	
	E7G06
        14. What is the gain-bandwidth of an operational amplifier?
	
 
	
			 	
					
				
	    
		
	
	
	
	E6B01
        15. What is the most useful characteristic of a Zener diode?
	
 
	
			 	
					
				
	    
		
	
	
	
	E4B08
        16. Which of the following can be used to determine the Q of a series-tuned circuit?
	
 
	
			 	
					
				
	    
		
	
	
	
	E8B07
        17. Orthogonal frequency-division multiplexing (OFDM) is a technique used for which types of amateur  communication?
	
 
	
			 	
					
				
	    
		
	
	
	
	E0A10
        18. When must an RF exposure evaluation be performed on an amateur station operating on 80 meters?
	
 
	
			 	
					
				
	    
		
	
	
	
	E1F10
        19. Who may be the control operator of an auxiliary station?
	
 
	
			 	
					
				
	    
		
	
	
	
	E9G04
        20. What are the two families of circles and arcs that make up a Smith chart?
	
 
	
			 	
					
				
	    
		
	
	
	
	E6A01
        21. In what application is gallium arsenide used as a semiconductor material?
	
 
	
			 	
					
				
	    
		
	
	
	
	E2C12
        22. What indicates the delay between a control operator action and the corresponding change in the  transmitted signal?
	
 
	
			 	
					
				
	    
		
	
	
	
	E9H05
        23. What challenge is presented by a small wire-loop antenna for direction finding?
	
 
	
			 	
					
				
	    
		
	
	
	
	E1B05
        24. What is the National Radio Quiet Zone?
	
 
	
			 	
					
				
	    
		
 
		
	
	
	
	E7B11
        25. In Figure E7-1, what is the purpose of R3?
	
 
	
			 	
					
				
	    
		
	
	
	
	E2E09
        26. Which of the following HF digital modes uses variable-length character coding?
	
 
	
			 	
					
				
	    
		
	
	
	
	E7C09
        27. What is a crystal lattice filter?
	
 
	
			 	
					
				
	    
		
	
	
	
	E7D03
        28. What device is used as a stable voltage reference?
	
 
	
			 	
					
				
	    
		
	
	
	
	E3A02
        29. What characterizes libration fading of an EME signal?
	
 
	
			 	
					
				
	    
		
	
	
	
	E9D11
        30. Why do most two-element Yagis with normal spacing have a reflector instead of a director?
	
 
	
			 	
					
				
	    
		
	
	
	
	E5B09
        31. What is the relationship between the AC current through a capacitor and the voltage across a capacitor?
	
 
	
			 	
					
				
	    
		
	
	
	
	E9F09
        32. What impedance does a 1/4-wavelength transmission line present to an RF generator when the line is  shorted at the far end?
	
 
	
			 	
					
				
	    
		
	
	
	
	E6D02
        33. What is the equivalent circuit of a quartz crystal?
	
 
	
			 	
					
				
	    
		
	
	
	
	E7H05
        34. How is positive feedback supplied in a Pierce oscillator?
	
 
	
			 	
					
				
	    
		
	
	
	
	E7A06
        35. What is a characteristic of a monostable multivibrator?
	
 
	
			 	
					
				
	    
		
	
	
	
	E8A03
        36. Which of the following describes a signal in the time domain?
	
 
	
			 	
					
				
	    
		
	
	
	
	E1D01
        37. What is the definition of telemetry?
	
 
	
			 	
					
				
	    
		
	
	
	
	E4E12
        38. What causes interference received as a series of carriers at regular intervals across a wide frequency  range?
	
 
	
			 	
					
				
	    
		
	
	
	
	E5A10
        39. What is the resonant frequency of an RLC circuit if R is 33 ohms, L is 50 microhenries, and C is 10  picofarads?
	
 
	
			 	
					
				
	    
		
	
	
	
	E1E09
        40. What may be the penalty for a VE who fraudulently administers or certifies an examination?
	
 
	
			 	
					
				
	    
		
	
	
	
	E1C09
        41. What is the highest modulation index permitted at the highest modulation frequency for angle  modulation below 29.0 MHz?
	
 
	
			 	
					
				
	    
		
	
	
	
	E4D13
        42. What is the received signal level with a transmit power of 10 W (+40 dBm), a transmit antenna gain of 6  dBi, a receive antenna gain of 3 dBi, and a path loss of 100 dB?
	
 
	
			 	
					
				
	    
		
	
	
	
	E9E05
        43. What Yagi driven element feed point impedance is required to use a beta or hairpin matching system?
	
 
	
			 	
					
				
	    
		
	
	
	
	E1A03
        44. What is the highest legal carrier frequency on the 20-meter band for transmitting a 2.8 kHz wide USB  data signal?
	
 
	
			 	
					
				
	    
		
 
		
	
	
	
	E9B06
        45. What is the elevation angle of peak response in the antenna radiation pattern shown in Figure E9-2?
	
 
	
			 	
					
				
	    
		
	
	
	
	E6E10
        46. What advantage does surface-mount technology offer at RF compared to using through-hole  components?
	
 
	
			 	
					
				
	    
		
	
	
	
	E2A12
        47. What is the purpose of digital store-and-forward functions on an amateur radio satellite?
	
 
	
			 	
					
				
	    
		
	
	
	
	E5C05
        48. What kind of diagram is used to show the phase relationship between impedances at a given frequency?
	
 
	
			 	
					
				
	    
		
	
	
	
	E6F09
        49. What is the efficiency of a photovoltaic cell?
	
 
	
			 	
					
				
	    
		
	
	
	
	E8D09
        50. What is considered an acceptable maximum IMD level for an idling PSK signal?
	
 
	
			 	
		
		
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