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RF Engineering Crossword Puzzle
December 4, 2016

Take a break from the daily grind to work this week's RF Engineering-themed crossword puzzle. All the words are pulled from a hand-built list of terms, names, and abbreviations that have only to do with science, mathematics, and engineering. If you want a crossword with names of movie stars and obscure countries, try the local newspaper. Go ahead and print out this page on real paper, grab a pencil or pen, and do it the old fashioned way.

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

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

RF Engineering Crossword Puzzle for December 4, 2016 - RF Cafe

1. Helium, iron, silicon, or uranium, for example

6. Radio navigation reference signal

10. Type of memory

11. Opposite of a LO

13. Ham's code for "What is the name of your station?"

15. Chemical symbol for rubidium

17. Unit of energy

19. Part of this website's title

20. Chemical symbol for neon

21. Chemical symbol for lithium

22. Precision approach radar (abbr.)

24. On an even planed

25. The "Y" in YAG

26. Max or min voltage of a waveform (abbr.)

28. Opposite of I.D.

30. Periodic superimposed waveform amplitude variation

34. French mathematician and physicist who's name is used as a unit of gas pressure

38. 30 kHz to 300 kHz

39. Chart types

40. Type of current flow in semiconductor when breakdown voltage is exceeded

44. Quickly changing portions of waveforms

46. Circuit or mechanical designer with a Bachelor's or higher degree

48. Impenetrable physical barrier

51. Upper frequency (abbr.)

52. Constellation : The fishes

53. Smaller moon of Mars

56. Unit for 1,000,000 watt-seconds (abbr.)

58. Chemical symbol for nobelium

60. Mates a plug to a jack

64. The tip of a PCB probe

67. Time Division Multiplexing

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

69. Network department (abbr.)

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

71. Logic gate output configuration (abbr.)

74. 1e-6 mA

75. Degree of IC sophistication (abbr.)

77. European equivalent to the U.L.

78. Device under test (abbr.)

80. The stationary part of a motor

81. Opposite of transmit

1. Effect (named after its discoverer) that is the variation in the width of the base in a BJT due to a variation in the applied base-to-collector

2. Chemical symbol for erbium

3. Minutes of Use (abbr.)

4. Electromagnetic (abbr.)

5. Prefix meaning temperature-related

7. Equalizer (abbr.)

8. Ham radio organization (abbr.)

9. 19 Across + ____, the world's best engineering website

12. Infrared (abbr.)

14. Keyboard key

16. Image storage format

18. Key feature in a high level overvoltage protection device

20. Apollo 11 astronaut ____ Armstrong

22. Ratio of circumference to diameter

23. Chemical symbol for gold

27. Chemical symbol for krypton

29. State _______ - A type of drawing used in computer science and related fields to describe the behavior of systems

31. Most positive element in a vacuum tube (pl.)

32. Circuit for firing a radar magnetron (abbr.)

33. International phonetic alphabet letter "E"

35. Chemical symbol for silicon

36. High accuracy time reference element

37. Chemical symbol for arsenic

41. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr.)

42. Chemical symbol for arsenic

43. Fuse metals together using heat

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

45. Morse Code for "from"

47. Ground fault interrupter (abbr.)

48. Chemical symbol for silicon

49. Type of current flow (abbr.)

50. Elementary particle

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

55. Chemical symbol for tin

57. Unstable edge phenomenon

59. Optical cross-connect (abbr.)

61. Chemical symbol for neodymium

62. Type of component package (abbr.)

63. Ratio of a mechanical drawing

64. Peak Inverse Voltage

65. Electric enclosure standard organization (abbr.)

66. The "T" in ATE

72. Coefficient of temperature (abbr.)

73. Color quality

76. Galilean moon

78. Type of current

79. Semiconductor and calculator company (abbr.)


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

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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RF Engineering Crossword Puzzle Solution for December 4, 2016 - RF Cafe

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Webmaster:

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    BSEE - KB3UON

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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