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Science & Engineering Crossword Puzzle

May 6, 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

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Science & Engineering Crossword Puzzle for 5/6/2012 - RF Cafe


1. Amateur Radio activity in June to practice emergency communications (2 wds.)

6. Chemical symbol for cesium

9. Ham's code for "Entire net stand by."

11. Type of modulation (abbr.)

12. Type of data conversion device (abbr.)

13. Modern battlefield technique (abbr.)

16. PC follower

18. Environmental barrier device

19. Base 16 number system (abbr.)

22. Chemical symbol for argon

23. Modulation type (abbr.)

24. Refers to the IEEE802.11 networks (abbr.)

25. Factors of ten

28. Gary Breed's fine magazine on RF & microwaves topics (abbr.)

30. Chemical symbol for mendelevium

31. Unit of frequency

32. First American to orbit the earth - John ...

33. Proportion of two numbers

35. Unit of length (abbr.)

36. Type of film

37. Exponent that returns the original number

38. Chemical symbol for arsenic

41. Last stage in a transmitter (abbr.)

42. Type of logic gate

45. Cause a circuit breaker to open

48. 1/6 inch printer's measure

49. Mr. Bohr's first name

50. Strong cable covering

51. Miniature threaded RF connector

52. Abbreviation for peak voltage

53. Deutsche Industrie Normenausschuss

55. The lowest region of the ionosphere found approximately 30 to 60 miles above Earth (1 ltr. + 1 wd, hyph.)

58. Gasoline, diesel, etc.

60. Unit of time (abbr.)

61. Chemical symbol for scandium

63. Stock symbol for Harris Communications

64. Transform type for changing series shorted transmission line stub into a parallel open line stub

65. Chemical symbol for zinc

68. 1/000 of an amp (abbr.)

69. ARRL's magazine

72. Chemical symbol for ruthenium

74. Unit of admittance

75. Home state of Los Alamos lab (abbr.)

76. Creating a code version of a semiconductor device


1. Modem encoding method (abbr.)

2. 30 kHz to 300 kHz

3. Direct Memory Access (abbr.)

4. A common battery cell size

5. Yard (abbr.)

7. Satellite millieu

8. Numerical prefix meaning 10 (var.)

10. Helium, iron, silicon, and uranium, for example

14. BER, 8 bits at a time

15. An angle having more than 180 degrees but less than 360

17. Amplifier linearity specification (abbr.)

19. Opposite of a LO

20. Greek letter

21. Display type

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

26. Computer messaging service

27. 2/3 of a triac

28. CPS

29. RF radiating structure

31. An array of 12 or 16 numbered keys that generate the standard telephone dual tone multifrequency (DTMF) dialing signals (2 wds.)

32. Chemical symbol for gadolinium

34. Galilean moon

35. Cooling device

39. Type of data storage IC

40. Shorthand for troposphere

41. Freely swinging rod with a weight at the end that regulates the mechanism of a clock

43. Morse Code for "from"

44. ____ Logic, components used to interconnect primary circuit devices

46. Containing a contaminant

47. Chemical symbol for praseodymium

51. Chemical symbol for tin

52. Circuit element connecting PCB layers

54. Network department (abbr.)

56. Its chemical symbol is Rn

57. Non-return to zero (abbr.)

58. Unit of inductance (abbr.)

59. Chemical symbol for einsteinium

61. Add two or more inputs

62. Study for a test just before taking it

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

67. Large transmitting tube such klystron, magnetron

70. Type of component package (abbr.)

71. Part of a FOR loop

73. Electrical safety organization (abbr.)

See solution below

Science & Engineering Crossword Puzzle Solution for 5/6/2012 - 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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