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April 11, 2010 Engineering & Science Crossword Puzzle


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, 4/11/2010


1. Filter supplier located in Gaithersburg, MD

6. The fourth state of matter, which occurs in stars and fusion reactors (pl.)

11. Chemical symbol for scandium

12. Unit of inductance (abbr.)

13. Printer resolution measure (abbr.)

15. Test equipment (abbr.)

16. Chemical symbol for thulium

17. Method of connecting redundant power supplies

19. The "D" in DARPA

22. Chemical symbol for polonium

23. Stock symbol for Microsoft

25. Stock symbol for RF Micro Devices

26. Type of current flow (abbr.)

27. Generalized Multiprotocol Label Switching (abbr.)

28. Army-Navy specification prefix

29. Negative temperature coefficient (abbr.)

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

31. Electromagnetic (abbr.)

33. Miniature RF connector

35. 10^1 numerical prefix

36. Ham's code for "Station is leaving the net."

37. Unix, Linux or Windows (abbr.)

39. RF design consultant in Rochester, NY

40. ______ Electronics - passive RF component vendor in Clifton, NJ

41. Chemical symbol for tantalum

42. Powers pneumatic devices

43. A measure of receiver quality (abbr.)

44. Amateur Television (abbr.)

46. Return-to-Zero (abbr.)

48. PC follower

49. Mass unit (abbr., pl.)

50. Chemical symbol for xenon

52. Balun with both ports unbalanced (pl.)

53. Akin to an EE, CE, AE, etc.

54. Logic family

56. Dual Tone Multi-Frequency

58. Network department (abbr.)

59. Engineering firm in Middletown, OH, that provides RF subsystem design services

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

64. Chemical symbol for praseodymium

65. Type of modulation (abbr.)

66. Effective Radiated Power (abbr.)

67. Greek letter (micro)

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

71. Lifetime failure rate curve

72. The central core of an atom


1. Type of flip-flop

2. Official engineering change document (abbr., pl.)

3. Unit of length (abbr.)

4. Amplifier linearity specification (abbr.)

5. Filter type (abbr.)

6. Part of a male connector

7. Automated Test Equipment (abbr.)

8. Chemical symbol for selenium

9. Basic element

10. Type of component package (abbr.)

14. Describes a line that is at right angles to the horizontal

18. ____ Solutions, RF component manufacturer located in Torrance, CA

20. Quickly changing portion of waveform

21. Society of Civil and Structural Engineers (abbr.)

22. Circuit for firing a radar magnetron (abbr., pl.)

24. Coefficient of temperature (abbr.)

25. Chemical symbol for radium

29. _____ Microwave East (part of L3-Com), RF component manufacturer located in Hauppauge, NY

30. Silicon _____, RFIC for radar systems company in Frankfurt, Germany

32. Log onto a hard drive

34. Nickname given to a satellite (pl.)

35. Device under test (abbr.)

38. Below ELF

45. Variable crystal oscillator (abbr., pl.)

47. International phonetic alphabet letter "Z"

48. Mechanical engineering organization (abbr.)

49. ____ Microwave, RF component company in FuJian, China

51. Chemical symbol for einsteinium

53. Chemical symbol for mendelevium

55. Gigantic star in Cetus

57. Software function selection mechanism

59. Nordic Mobile Telephone

60. One of the Ws in WWW

61. Virtual Private Network

62. Miniature RF connector

64. Chemical symbol for lead

65. Unit of inductance(abbr.)

68. Electrical safety organization (abbr.)

70. 1E6 nanoseconds

See solution below

RF Cafe - Engineering & Science Crossword Puzzle, 4/11/2010

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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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