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Engineering & Science Crossword Puzzle

January 15, 2012

2012 Crosswords Archive

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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A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

December 30

December 23

December 16

December 9

December 2

November 25

November 18

November 11

November 4

October 28

October 21

October 14

October 7

September 30

September 23

September 16

September 9

September 2

August 26

August 19

August 12

August 5

July 29

July 22

July 15

July 8

July 1

June 24

June 17

June 10

June 3

May 27

May 20

May 13

May 6

April 29

April 22

April 15

April 8

April 1

March 25

March 18

March 11

March 4

February 26

February 19

February 12

February 5

January 29

January 22

January 15

January 8

January 1

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

Wireless Crossword Puzzle, January 15, 2012 - RF Cafe 

1. Change out a plug-in module while power is still applied (2 wds.)

6. The portion of a cone which remains when its upper part has been cut off by a plane parallel to its base

11. Virtual Private Network

12. Front edge of a wing (abbr.)

13. Stock symbol for Linear Technologies

16. Chemical symbol for rhodium

17. Type of e-mail address system (abbr.)

19. 300 kHz to 3 MHz

20. Mr. Piper's famous yellow airplane

21. 2/3 of a triac

22. Once around a circuit

24. One type of electron spin

25. Numerical basis for decibels (abbr.)

27. Filter type that blocks frequencies below and above a specified band (abbr.)

29. Cooling device

31. Small representative graphics

32. The "D" in DC

35. Shorthand for troposphere

37. Weight (abbr.)

38. Its chemical symbol is V

40. Army-Navy specification prefix

41. Chemical symbol for platinum

43. Online service

45. Last stage in transmitter (abbr., pl.)

47. Chemical symbol for bismuth

48. A common battery cell size

49. Multifunctional silicon devices (abbr., pl.)

50. Family of ICs with a certain component density level (abbr.)

51. Yard (abbr.)

52. Army-Navy specification prefix

53. Puts a new program on a computer

58. Test equipment (abbr.)

60. Electronic assembly transport container (pl.)

62. Nokia, Samsung, Motorola and others make them

63. Type of rechargeable battery (abbr., pl.)

64. Type of computer display (abbr.)

65. 1e-6 mA

66. Current-voltage phase mnemonic

67. Chemical symbol for antimony

69. Adjust a pot

71. Scheduling graph type

73. A common RS-232 serial bus command (abbr.)

74. Morse Code for "from"

76. Indium phosphide

78. Modern battlefield technique (abbr.)

79. Certificate of Successful Completion of Examination (abbr.)

80. Chemical symbol for francium

81. Peak Inverse Voltage

82. Unit of electrical charge

83. Unit of heat

1. Filter type (abbr.)

2. Switch position

3. Threaded tuning rod in a coil (pl.)

4. One of the Ws in WWW

5. Programmable Logic Device (abbr.)

6. U.S. Spectrum allocation agency

7. Internet address (abbr.)

8. Metal or plastic rod that connects a potentiometer wiper to a knob

9. One type of electron spin

10. Minutes of Use (abbr.)

11. Abbreviation for minimum voltage

14. Constellation : The scales

15. Stored on electronic media

18. Min-to-max voltage of a waveform (abbr.)

20. In OOP, a class, a data structure, or an abstract data type (ADT) whose instances are collections of other objects (pl.)

23. Spurious signals

25. The "L" in VLF

26. BlackBerry or Palm for example (abbr.)

28. Unit of heat

30. Negation prefix

31. Type of high frequency diode (abbr.)

33. Initial current when a motor is first turned on

34. Geometrical figure defined as a curve in which every point is equidistant from a fixed point

36. Chemical compound containing at least one oxygen atom as well as at least one other element (pl.)

38. Family of ICs with a certain component density level (abbr.)

39. Multiprotocol Label Switching (abbr.)

42. Chemical symbol for tantalum

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

46. Chemical symbol for arsenic

47. Word used in describing 2-D and 3-D object dimensions

52. System for guiding aircraft (abbr.)

54. Silicon transistor type (abbr.)

55. Frequency (pl.)

56. Association of North American Radio Clubs

57. Lower sideband (abbr.)

59. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)

61. Alloy of iron and low percentages of carbon, mangenese, chromium, etc.

63. Fuel additive

67. Chemical symbol for silicon

68. Low- to mid- frequency RF connector

70. Base of the binary number system

71. Substrate for mounting components (abbr.)

72. Company that leases lab equipment, in Lake Mary, FL (abbr.)

73. Curly-Q type light bulb (abbr.)

74. Singulated piece of IC wafer

75. 1.602E-19 Joules

77. Chemical symbol for polonium

81. Ratio of circumference to diameter

See solution below

Wireless Crossword Puzzle Solution, January 15, 2012 - 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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