February 15, 2009 Engineering & Science Crossword Puzzle

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RF Cafe: Engineering & Science Crossword Puzzle


1. Lowest operational frequency of a waveguide

6. a control input to a counter

11. Compliment to a zero in a polynomial

12. Communication between stations by reflecting the radio waves off of the ionosphere

14. Unit of weight, pl.

16. Cathode Ray Tube

17. Chemical symbol for rhodium

18. RF connector type

19. Chemical symbol for cobalt

20. Connector vendor

22. The "S" in SOIC

23. Unit of time, abbr.

24. The "L" in VLF

25. A common battery cell size

27. Chemical symbol for einsteinium

28. Band between RF and BB

30. Antenna radiated power measurement, abbr.

32. Retain a charge

34. Chemical symbol for neon

35. Constellation : The scales

36. Applied Computational Sciences, abbr.

38. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image, abbr.

39. European equivalent to the U.L.

41. Amateur Radio Emergency Service

42. Open a fuse

44. Chemical symbol for palladium

45. Common average used for sinewaves, abbr.

47. Applied Computational Sciences, abbr.

48. SIgnal to Noise And Distortion

49. Chemical symbol for nobelium

50. RF/microwave software vendor

52. Circuit path with very high or infinite impedance

53. Electrical safety organization, abbr.

54. Coefficient of temperature, abbr.

55. Compact Fluorescent Light

58. Readability, Signal, and Tone (QoS report type)

59. 30 kHz to 300 kHz

61. A major search engine

62. Uppermost surface, pl.

64. Chemical symbol for beryllium

65. Imaging device, abbr.

66. 1.602E-19 Joules

67. Wireless application protocol

68. Basic element

69. Government program to bring electricity to farms, abbr.

71. Semiconductor lamps

72. Connector supplier

73. Aircraft tracking systems


1. Material used in the center of an inductor coil

2. The "U" in UHF

3. Test equipment, abbr.

4. Femtohenry, abbr.

5. Aircraft bulkheads

6. A simple machine

7. Web page language

8. Charged particles

9. Low- to mid- frequency connector

10. Network department, abbr.

11. Substrate for mounting component, abbr., pl.

13. Angular distance between one event and another in a regularly recurring cycle

15. Filter type that rejects high frequencies

19. Make an adjustment to misalignment

21. One state of matter

24. Constellation : The scales

26. Amateur Television

29. Chemical symbol for iron

30. Electronics Industry Association

31. Occlusion of one heavenly body by another

33. Lubricant

36. Soaks up RF energy

37. Type of optical network

39. Chemical symbol for cadmium

40. Short Message Service

43. Computer communication scheme

44. In geometry what is any plane figure having three or more straight sides

45. Extract information from a modulated signal

46. System On Chip

49. Greek letter used for frequency

50. Ethoxyethane

51. Fast Fourier Transform

56. One cutoff frequency specification for a bandpass filter

57. Million samples per second

59. Specialty connector manufacturer

60. Frequency Division Multiple Access

63. Attenuator, pl.

65. Resistor vendor in Berne, IN

68. Chemical symbol for arsenic

70. A common battery cell size

71. Chemical symbol for lanthanum

See solution below

RF Cafe: Engineering & Science Crossword Puzzle