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Engineering & Science Crossword Puzzle

November 21, 2010

2010 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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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.

- Dec 19, Dec 12, Dec 5

- Nov 28, Nov 21, Nov 14, Nov 7

- Oct 31, Oct 24, Oct 17, Oct 10, Oct 3

- Sep 26, Sep 12, Sep 5

- Aug 29, Aug 22

- Jul 25, Jul 18, Jul 11, Jul 4

- Jun 27, Jun 20, Jun 13, Jun 6

- May 30, May 23, May 16, May 9, May 2

- Apr 25, Apr 18, Apr 11, Apr 4

- Mar 28, Mar 21, Mar 14, Mar 7

- Feb 28, Feb 21, Feb 14, Feb 7

- Jan 31, Jan 24, Jan 17, Jan 10, Jan 3

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

RF Cafe - Engineering & Science Crossword Puzzle 11/21/2010


2. Translated higher frequencies to lower frequencies

11. Type of current flow (abbr.)

12. Start frequency (abbr.)

13. Electronic component package type (abbr.)

14. Chemical symbol for magnesium

16. Temporary Engineering Change document (abbr.)

19. Airport Surveillance Radar (abbr.)

21. Unit of conductance (pl.)

24. Portion of a circle

27. Chemical symbol for nickel

28. Unit of length (abbr.)

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

31. Upper frequency (abbr.)

32. Programmable logic device (abbr.)

35. Circuit for maintaining constant voltage (abbr.)

38. Online service

40. Frequency vs. amplitude plot

42. Transistor B-C capacitance

44. Chemical symbol for silicon

46. One port of an amplifier

48. Image file format name extension

50. Chemical symbol for neon

52. A common battery cell size

53. Ground fault interrupter (abbr., pl.)

54. Input intercept point (abbr.)

55. Environmental barrier device

56. Unit of inductance (abbr.)

58. BS__ - the degree held by many RF Cafe visitors

59. Chemical symbol for calcium

60. A radio operator's name

62. Type of component package (abbr.)

63. RF IC manufacturer located in Dübendorf, Switzerland

65. Chemical symbol for europium

67. Entity defined in the second law of thermodynamics

70. Filter type that blocks frequencies in a specified band (abbr.)

71. Army-Navy specification prefix

72. Silicon transistor type (abbr.)

74. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image (abbr.)

75. Electromagnetic (abbr.)

77. Switch configuration (abbr.)

79. Method of connecting redundant power supplies

81. The design component of total product cost (abbr.)

82. Put a new program on a computer

83. ______HandRadio.com, radio & electronics swap shop website

1. Image storage format

2. Type of data conversion device (abbr., pl.)

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

4. A measure of receiver quality (abbr.)

5. Chemical symbol for cesium

6. Unit of time (abbr.)

7. Abbreviation for minimum voltage

8. Erbium Doped Fiber Amplifier (abbr.)

9. Chemical symbol for thulium

10. Enhanced Graphics Adapter

15. Antenna structure that connects directly to the feed line

17. 3G_____worx, PCB shield manufacturer in Ontario, Canada

18. Ham's code for "Unable to copy you."

20. Chemical symbol for tin

22. Band between RF and BB

23. ____ Meet, a Ham's flea market

25. Cross __, RF connector company located in Wilmington, CA (2 ltr.)

26. Mr. Piper's famous yellow airplane

30. Chemical symbol for molybdenum

33. American Microwave Corporation (abbr.)

34. Chemical symbol for lithium

36. One component of volume

37. Chemical symbol for chromium

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

41. Deutsche Industrie Normenausschuss (abbr.)

43. Current loss in a capacitor

45. Power amplifier & antenna company in Ronkonkoma, NY (3-letter abbr.)

47. One bit of a real number

49. Electronic component for passing certain frequencies and blocking others (pl.)

51. Formerly HP Test & Measurement

52. Amplifier Solutions Corporation, located in Colmar, PA (abbr.)

56. Region of the ionosphere approximately 90 to 400 miles above Earth - responsible for most long distance propagation below 30 MHz (hyph.)

57. Base 16 number system (abbr.)

58. Chemical symbol for einsteinium

61. Archaic term for an outdoor antenna

64. Chemical symbol for antimony

66. One type of electron spin

68. Boob tube (abbr.)

69. Unix, Linux or Windows (abbr.)

71. Analog-to-Digital (abbr.)

73. Negation prefix

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

78. Permeability-tuned oscillator (abbr.)

80. Type of flip-flop

See solution below

RF Cafe - Engineering & Science Crossword Puzzle 11/21/2010 Solution

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    Kirt Blattenberger,


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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