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Engineering & Science Crossword Puzzle

August 28, 2011

2011 Engineering & Science Crossword Puzzles

Visit the Crossword Express website - RF CafeTake a well-deserved break and try your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called "Magnum Opus") software.

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RF & Microwave Crossword Puzzle, August 28, 2011 - RF Cafe

1. A processed or unprocessed semiconductor substrate (pl.)

3. Describes a PCB metallization (2 wds.)

10. Sound frequency in the human hearing range (abbr.)

11. Filter type (abbr.)

13. Inventor of the pre-quantum atomic model

14. Chemical symbol for aluminum

15. _____ or mark, in digital transmission

19. Dislocation in lattice structure

23. Low altitude earth orbit

25. Describes stationary charges

28. MS's server-side script engine for dynamically-generated web pages (abbr.)

29. Sample groups

30. Type of memory

32. Chemical symbol for silicon

33. Electrical overstress (abbr.)

34. Software language by Borland

40. Voltage-current phase mnemonic

41. Max or min voltage of a waveform (abbr.)

42. Chemical symbol for neptunium

43. In-phase

45. Shorthand for oxygen

46. Positive voltage lead color

48. Amateur Radio Direction Finding (abbr.)

49. Test equipment manufacturer, now Agilent (abbr.)

50. One component of a complex number (abbr.)

51. Part of a FOR loop

52. Chemical symbol for scandium

54. Chemical symbol for argon

55. Printer resolution abbreviation

57. Chemical symbol for einsteinium

58. Area outside the passband (pl.)

60. Unit of inductance (abbr.)

62. Ham's code for "Shall I send more slowly?"

63. Chemical symbol for chromium

64. Chemical symbol for holmium

65. Chemical symbol for cadmium

66. Chemical symbol for radium

67. Network department (abbr.)

68. Advanced Communication Technologies and Services (abbr.)

70. Constellation : The lion

72. One port of an amplifier

73. Technology dealing with the design, construction, and operation of robots

77. Unit of inductance (abbr.)

79. Chemical symbol for mendelevium

80. BlackBerry or Palm for example (abbr.)

82. Basic storage unit of a database

83. Adjust a pot

84. Astronomical Unit (93E6 miles)

85. Temporary Engineering Change document (abbr.)

86. The "V" in VLF

87. Precision landing system (abbr.)

89. Perform a calculus function

96. Light

98. Under self-control (prefix)

99. Theoretical

100. A measure of receiver quality (abbr.)

102. Total Access Communication System (abbr.)

104. Miniature threaded RF connector

105. Chemical symbol for strontium

106. (Repeater Term) A code to activate a repeater function e.g. auto patch, link etc. (2 wds)

107. Integral of the magnetic vector field over a surface (pl.)

1. Measured distance of a cycle from beginning to end

2. Sound frequency in the human hearing range (abbr.)

4. Chemical symbol for lead

5. End of Life (abbr.)

6. Moon of Saturn discovered in 1672

7. Vector multiplication that returns a vector value (pl.)

8. A common battery cell size

9. The lowest region of the ionosphere found approximately 25 to 55 miles above Earth (hyph.)

11. Chemical symbol for beryllium oxide

12. Fast Fourier transform (abbr.)

15. Adjusts a pot

16. Personal communication system

17. PC follower

18. Chemical symbol for chromium

20. Chemical symbol for lanthanum

21. PC follower

22. Electrical conductor

24. A sudden and temporary increase in voltage, current, or power

26. Open-______ or closed-______ system

27. Home state of NORAD

31. A circuit that takes two or more input signals, and produces an output that includes the sum and difference of those signal frequencies (pl.)

34. U.S. military organization (abbr.)

35. 30 GHz to 300 GHz

36. Front edge of a wing (abbr.)

37. Chemical symbol for praseodymium

38. Chemical symbol for helium

39. Something added to slow a chemical reaction

43. Unintentionally impress a signal on a transmission line

44. Test point (abbr.)

47. Antenna gain unit (abbr.)

48. Automatic Testing, Evaluation & Reporting (abbr.)

52. Describes a flexible cable's conductor

53. Chemical symbol for cobalt

56. It can follow an MS (l.)

58. Code used for automating software task

59. Unit of inductance (abbr.)

61. 5,878,625,373,184 miles (pl.)

62. Ham's code for "Are you busy?"

67. Infrared (abbr.)

68. Powers pneumatic devices

69. Imaging device (abbr.)

71. Computer messaging service

74. Chemical symbol for beryllium

75. Amateur radio abbreviation for the Oceania region (abbr.)

76. Part of a FOR loop

77. Scheduling graph type

78. Plasma atmosphere layer of the sun

81. Asynchronous Communication Interface Adapter (abbr.)

83. Impenetrable physical barrier

86. Circuit element connecting PCB layers

88. Miniature threaded RF connector (pl.)

90. Upper frequency (abbr.)

91. Unit of length (abbr.)

92. Electrical overstress (abbr.)

93. Electronics Industry Association (abbr.)

94. Chemical symbol for neodymium

95. Test equipment (abbr.)

97. Personal communication system

101. A BPF specification (abbr.)

103. Chemical symbol for scandium

105. Chemical symbol for selenium

See solution below

RF & Microwave Crossword Puzzle Solution, August 28, 2011 - RF Cafe

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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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