9/11/2008 Engineering & Science Crossword Puzzle


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RF Cafe: Engineering-themed crossword puzzle

ACROSS

1. Man after whom the unit of frequency is named

10. 1e-6 mA

12. Logic gates

13. Chemical symbol for helium

14. Variable Frequency Oscillator

15. Unit of weight

16. Chemical symbol for arsenic

18. Bilateral trigger diode

20. Indium phosphide

22. Chemical symbol for radium

23. RF connector type

24. Elementary particle

26. Synchronous Digital Hierarchy

27. Chemical symbol for strontium

28. Amateurese for "wife"

29. Chemical symbol for rubidium

30. Chemical symbol for nobelium

31. Networks International Corporation, abbr., manufacturer of custom RF & microwave filters, Overland Park, KS

32. Test equipment, abbr.

34. A semi-automatic mechanical code key

35. Chemical symbol for nickel

37. Part of a FOR loop

38. Chemical symbol for bismuth

39. Last stage in a transmitter, abbr.

41. Time delay, abbr.

42. Below ELF

43. Chemical symbol for gallium

44. Instruments for Industry, Ronkonkoma, NY, abbr. (and an RF Cafe advertiser)

45. Network department, abbr.

47. 10^1 numerical prefix

48. Ham's code for "Answer in prearranged order."

49. Boob tube

50. Maximum Usable Frequency

52. Systems for underwater navigation

56. Greek letter

57. Network department, abbr.

59. U.S. military organization, abbr.

61. 10^-9 numerical prefix

63. Type of current

64. 30 MHz to 300 MHz

65. FCC Part 15 rules apply in this band, abbr.

67. Unit of time

68. Automatic network analyzer, abbr.

70. Modern battlefield technique, abbr.

71. Symbols and lines used to construct a representative drawing of a system at a high level, pl.

DOWN

1. Describes device parameters that vary with temperature

2. Galilean moon

3. Gun safety and education organization, abbr.

4. Type of flip-flop

5. IC

6. Common form of energy that arises from the kinetic energy of atoms and molecules

7. 1.602E-19 Joules

8. Radio Frequency Interference, abbr.

9. Unit of weight, pl.

10. Type of logic gate

11. Major opamp IC manufacturer headquartered in Norwood, MA (and is an RF Cafe advertiser)

17. Signal-to-noise ratio, abbr.

18. Keyboard key

19. Chemical symbol for cobalt

21. BlackBerry or Jordana for example, abbr.

24. Search engine

25. The design component of total product cost, abbr.

28. Transmit Incremental Tuning, abbr.

30. Mate to a bolt

32. Semiconductor and calculator company, abbr.

33. Quantum electron properties

36. Precision landing system, abbr.

38. Stock symbol for Boeing

40. Colorado Springs military school

43. One state of matter

46. Manufacturer of project boxes

48. Ham's code for "Shall I increase power?"

49. Amplifier linearity spec., abbr.

51. Old type of capacitor

53. Switch position

54. Logic gate

55. American National Standards Institute

58. Type of electrical wire insulation

60. Digital Storage Oscilloscope

62. Carrier-to-noise ratio

66. Megacycles, abbr.

68. Chemical symbol for silver

69. A common battery cell size


See solution below

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