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RF Cafe Engineering & Science Crossword Puzzle
April 22, 2018

Each week, for the sake of all avid cruciverbalists amongst us, I create a new technology-themed crossword puzzle using only words from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, see someone or something in the exclusion list who or that is directly related to this puzzle's theme, such as Hedy Lamar or the Bikini Atoll, respectively. Enjoy!

cruciverbalist: [noun] cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs crosswords.

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

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

RF Cafe Engineering & Science Crossword Puzzle April 22, 2018

1. Generating a form of energy arising from the kinetic energy of atoms and molecules

6. Robert ______-Watt, "Father of Radar"

10. Frequency Division Duplex

11. Multifunctional silicon devices (abbr.)

13. Singulated piece of IC wafer

15. Unit of capacitance (abbr.)

17. Type of logic gate (pl.)

19. 1e-6 mA

20. Bandwidth (abbr.)

21. Chemical symbol for silicon

22. The "B" in BER

24. Alternative name for Beta Persei

25. Hide data within a message

26. Filter type that blocks frequencies below and above a specified band (abbr.)

28. Opposite of I.D.

30. Keyboard key

34. ______ velocity - speed necessary to become free of the Earth's gravitational force

38. Type of current flow (abbr.)

39. Communication between stations by reflecting the radio waves off of the ionosphere (pl.)

40. Plane curve traced out by a point which moves so that its distance from a fixed line is equal to its distance from a fixed point

44. Generalized Multiprotocol Label Switching (abbr.)

46. C++, Java, BASIC, or Fortran, for example

48. Mate to a socket

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

52. Circular mounting hardware

53. Insulating cover over a solder joint

56. Type of component package (abbr.)

58. Part of this website's title

60. Mean, geometric, rolling, etc.

64. Electronically images a document

67. Common average used for sinewaves (abbr.)

68. Equalizer (abbr.)

69. Unit of frequency (archaic, abbr.)

70. Electromagnetic (abbr.)

71. Abbreviation for acknowledge (also a common word used by Bill the Cat)

74. Chemical symbol for ruthenium

75. ELI the ICE ___

77. Chemical symbol for selenium

78. Rádio Nacional de Angola (abbr.)

80. Microsoft's interpreter BASIC supplied with DOS

81. Filter supplier located in Gaithersburg, MD

1. Artech _____, technical book publisher

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

3. Time division duplex (abbr.)

4. Opposite of O.D.

5. European space probe which visited Halley's comet

7. Analog-to-Digital (abbr.)

8. Telecommunications Information Network Architecture (abbr.)

9. Impenetrable physical barrier

12. Chemical symbol for chromium

14. Shortwave listener (abbr.)

16. A final surface coating

18. Half of DSB

20. Threaded fastener

22. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm

23. Internet protocol (abbr.)

27. Chemical symbol for palladium

29. Slang for Ursa Major and Minor

31. Software object reference names

32. Engineering Change Order (abbr.)

33. Online auction site

35. Chemical symbol for cobalt

36. Point in an revolving object's orbit that is farthest to the body it is orbiting

37. Unit of time (abbr.)

41. Chemical symbol for aluminum

42. Type of flip-flop

43. Oscillator type that is referenced to an external source (abbr., pl.)

44. Chemical symbol for gallium

45. Chemical symbol for magnesium

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

48. Last stage in a transmitter (abbr.)

49. Unit of inductance (abbr.)

50. He developed a "counter" for measuring radiation levels

54. Type of high frequency circuit substrate (abbr.)

55. Chemical symbol for erbium

57. Point placed on a scope or analyzer display for noting a specific value

59. Finite Element Analysis (abbr.)

61. Abbreviation for minimum voltage

62. Chemical symbol for einsteinium

63. Exactly the same in mathematics

64. Miniature RF connector

65. Electric enclosure standard organization (abbr.)

66. Miniature threaded RF connector (pl.)

72. Chemical symbol for cesium

73. Low- to mid- frequency RF connector

76. Chemical symbol for nickel

78. Chemical symbol for radium

79. PC follower

See solution below

2018 Crosswords Archive

Take 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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