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Science Crossword Puzzle
December 16, 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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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

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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.

Science Crossword Puzzle for December 16, 2012 - RF Cafe

1. International Amateur Radio Union (abbr.)

4. Binary Coded Decimal

7. 24 hours

10. Type of antenna with an element made of a single, flexible rod or tube

14. Type of logic gate (pl.)

15. Kilocycles

16. Electronics Industry Association (abbr.)

17. American space agency (abbr.)

19. Add solder to tip of iron

20. Constellation : The lion

21. 36 inches

22. Intermodulation distortion (abbr.)

24. Computer I/O interfaces; i.e., USB, serial, parallel

26. Attenuator

28. Logarithmic reflectivity unit

30. Government program to bring electricity to farms (abbr.)

31. Numerical basis for decibels (abbr.)

33. ARRL's magazine

35. Term used in soldering to achieve the condition that occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface

37. Peak envelope power (abbr.)

38. Network file transfer protocol (abbr.)

40. One factor of a polynomial

42. Adjusted the specification for temperature

45. Radio signal route

46. Remove insulation from a wire

48. One tier of a PCB

49. Frequency (pl.)

50. Joined a male and a female connector

51. Threaded fastener

52. Adds an impurity to a semiconductor

54. Wire

56. Constellation of The Whale

59. Longitudinal shape-forming structural element

60. Company that markets Delphi software

62. Move from cell to cell

63. Lubricant

64. Parts per million (abbr.)

65. ___/IP scheme for networked connectivity

67. Push to Talk (abbr.)

68. 30 Hz to 300 Hz

69. Modulation technique that varies the width of pulses in a train (abbr.)

71. Half of DSB

74. Online service

75. One port on a BJT (pl.)

77. International Microwave Symposium (abbr.)

80. Positive emitter-coupled logic (abbr.)

82. Negation prefix

83. Transformer interwinding connection

85. Compliment to a zero in a polynomial

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

88. Permissible deviation from a specified value normally expressed as a percentage

89. Having power applied (slang)

90. Move in a raster pattern

91. Logic family (abbr.)

92. Lower sideband (abbr.)

93. Signal amplitude degradation due to inefficiency

1. Charged particles

2. Amateur Radio Association (abbr.)

3. Receiver power level circuitry (abbr.)

4. The "B" in BER

5. Short video segment

6. Impurity in a semiconductor that adds a mobile electron in the conduction band

7. International phonetic alphabet letter "D"

8. Amateur Radio Emergency Service (abbr.)

9. Elemental compound used for microwave frequency reference oscillators (abbr.)

11. Part of a screw that engages the driver

12. Type of digital filter (abbr.)

13. Attenuator (pl.)

18. Stock symbol for Advanced Micro Devices

21. Yttrium Aluminum Garnet

23. Logarithmic unit of power (abbr.)

25. Electro-mechanical switching device

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

27. Theoretical "single point" antenna used calculate gain

29. One system's phonetic letter "z"

31. Semiconductor lamp

32. Cause to decrease in magnitude

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

34. Telex-Over-Radio (abbr.)

36. Vector _______, antenna designer & manufacturer in Melbourne, Australia

37. Unit for expressing a ratio

38. Cooling device

39. Personal Handy Phone System (abbr.)

41. Software device for tracking elapsed time

43. Aircraft tracking system

44. Engineer who experimented with extremely high voltages

45. Physical quantity defined as being the work done per unit time

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

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

52. Digital storage oscilloscope (abbr.)

53. Programmable logic device (abbr.)

55. Opens a fuse

57. Uppermost surface

58. Surface Mount Technology

60. Filter type (abbr.)

61. Cellphone band below PCS

64. Oscillator type that is referenced to an external source (abbr.)

66. Greek letter

68. End of Life (abbr.)

69. Control and monitoring board

70. Steel, brass, aluminum, etc.

72. Graphics file extension

73. Multiprotocol Label Switching (abbr.)

74. Asynchronous Communication Interface Adapter (abbr.)

75. Threaded fastener

76. Prefix for font without serifs

78. Small Office/Home Office (abbr.)

79. Adjusts a pot

81. A keyboard key

82. Logical negation operator

84. Substrate for mounting components (abbr.)

86. Line of Sight (abbr.)

See solution below

Science Crossword Puzzle Solution for December 16, 2012 - RF Cafe

TotalTemp Technologies (Thermal Platforms) - RF Cafe

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