August 16, 2009 Engineering & Science Crossword Puzzle


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RF Cafe - Engineering & Science Crossword Puzzle

ACROSS

1. RF connector & cable manufacturer located in Suwon, Korea (and an RF Cafe advertiser)

4. The software "layer" in a computer / machine interface

8. Chemical symbol for arsenic

11. Feature in some of waveguides used to increase operational bandwidth

13. Used to remove oxidation during soldering

15. Pertaining to the moon

18. Logarithmic units of power

19. Form/fit/function replacement

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

21. Original Equipment Manufacturer

23. Chemical symbol for iron

25. Akin to EEs, CEs, AEs, etc.

27. Logic gate

28. PCB materials

31. Straight line emanating from a point source, pl.

34. Greek letter (micro)

36. Computer communication scheme

38. Diode used as a voltage regulator, pl.

41. Capacitor manufacturer in Huntington Station, NY

43. Type of current flow

44. Its chemical symbol is U

45. The constellation in which Canopus is located

46. The "E" in TEM

47. Chemical symbol for thallium

48. ___-AZIMUTH telescope mount

49. Sets the flip-flop output to "0"

50. Software drafting tool, abbr.

51. Astronomical Unit (93E6 miles)

56. Attenuator topology

58. Filter & coupling matrix synthesis software company in Denmark, 3 wds., 2D + 71D + 58A

61. Inductor

62. Peak Envelope Power

64. Modulation type, abbr.

65. BER. 8 bits at a time

66. Half of a DIP

68. Subject a circuit to extreme operation

71. Computer communication scheme

72. The last transmission by a station during a contact

73. Quickly changing portion of waveform

74. Brand of hobby knife

76. A common battery cell size

78. Joe Cahak's design consulting company in Ramona, CA, 2 wds., 78A + 57D

79. Calculus operation

DOWN

1. Chemical symbol for gadolinium

2. Filter & coupling matrix synthesis software company in Denmark, 3 wds., 2D + 71D + 58A

3. Is behind in phase

5. Unintended frequency product from a mixer

6. Lunar depression

7. Chemical symbol for lithium

8. Up in the air

9. _____ conductor

10. The natural conversion of one element into another by radioactive decay

12. Logarithmic unit of power

13. Chemical symbol for francium

14. Greek letter

16. Stock symbol for National Semiconductor

17. Inadvertent impression of a signal onto an adjacent conductor, 2 wds.

21. Exponent that returns the original number

22. Data transmission pathway

24. Base 16 number system, abbr.

26. Crystal filter type

29. _______ Microwave, SSPA manufacturer in Trenton, NJ

30. Type of propagation above 30 MHz by means of refraction by highly ionized regions around the Earth's poles

32. Does not pass electrical test

33. Produced when water boils?

35. Internet address, abbr.

36. Low Noise Amplifier

37. Mate to a bolt

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

40. Enhanced Graphics Adapter

41. Automatic Level Control

42. Imaging device, abbr.

43. Amateur Radio Association

52. Key feature in a high level overvoltage protection device

53. Finite-Element Model

54. Mass units, abbr.

55. Aircraft navigation system

57. Joe Cahak's design consulting company in Ramona, CA, 2 wds., 78A + 57D

59. RF component supplier (now L3-COM)

60. Greek letter used for resistance

61. Middle

63. Part of a male connector

65. Ham abbreviation indicating contacts with all major land masses

67. Radio signal route

69. Test equipment, abbr.

70. Chemical symbol for selenium

71. Filter & coupling matrix synthesis software company in Denmark, 3 wds., 2D + 71D + 58A

75. 1E6 nanoseconds

77. Chemical symbol for aluminum


See solution below

RF Cafe - Engineering & Science Crossword Puzzle