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RF Cafe Engineering & Science Crossword Puzzle

May 6, 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 May 6, 2018

1. High-speed logic family

4. Mathematical relationship of voltage, resistance, and current in a circuit (2 wds.)

8. Keyboard key

11. Metric system (abbr.)

12. 300 MHz to 3 GHz

13. Adjust a pot

15. Miniature threaded RF connector

16. Half of DSB

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

18. Type of data conversion device (abbr.)

21. Chemical symbol for plutonium

22. Cellphone band directly above DCS

23. Association of North American Radio Clubs

25. An elementary particle

26. Chemical symbol for arsenic

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

28. Ethoxyethane

29. Chemical symbol for silicon

31. Unit of atmospheric pressure (abbr.)

33. 1E6 nanoseconds

34. Negative temperature coefficient (abbr.)

37. Unit of inductance (abbr.)

39. Semiconductor and calculator company (abbr.)

40. Airflow rate (abbr.)

43. The "B" in BGA

45. Concentric cable type

46. Threaded tuning rod in a coil

47. Control and monitoring board

48. Type of semiconductor construction used in RF power amplifiers (abbr.)

49. Electric enclosure standard organization (abbr.)

50. A famous LEO satellite constellation (originally to be 77 satellites)

54. RF engineer's degree

56. Digital Signal Processor (abbr.)

57. Chemical symbol for nobelium

58. Chemical symbol for lanthanum

59. Resistive component of a capacitor's lumped element model (abbr.)

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

61. Stock symbol for Lockheed Martin

63. Chemical symbol for xenon

65. Numerical prefix for 10E2

66. Chemical symbol for nickel

67. One type of electron spin

69. Connector vendor headquartered in Bristol, PA

71. Parameter that is a figure of merit for receiver performance in presence of multiple signals (abbr., pl.)

73. Carrier-to-noise ratio (abbr.)

76. Logarithmic ratio (abbr.)

78. Stock symbol for Texas Instruments

79. Ham-ese for Young Lady

80. Intel 8086 or Motorola 6800 (abbr.)

82. System On Chip

83. Maximum Usable Frequency

85. Straight line emanating from a point source

86. Conductor size unit (abbr.)

87. The system than converts common website names to IP addresses (abbr.)

88. When the upper atmosphere acts like a waveguide

89. Logarithmic unit of ratio (abbr., pl.)

1. Exalted-Carrier Single Sideband (abbr.)

2. Metric system (abbr.)

3. Opposite of USB

4. Unit of resistance

5. 3 MHz to 30 MHz

6. Chemical symbol for arsenic

7. Wired Equivalent Privacy (abbr.)

8. Digital Signal Processor (abbr.)

9. Science of assuring operation amid dense EM background noise (abbr.)

10. A coherent monochrome light source

12. Balun with both ports unbalanced (pl.)

14. Tweaks a filter for the correct response

18. Most protruding part of planetary rings as seen from distance

19. 10E1 numerical prefix

20. Study for a test just before taking it

23. A common battery cell size

24. Chemical symbol for californium

30. A simple machine

32. Ham abbreviation for transceiver

33. Connector supplier in Oyster Bay, NY

34. Chemical symbol for niobium

35. They go on reels for high volume production

36. Voltage limiter

38. Chemical symbol for holmium

39. Chemical symbol for tantalum

40. Configure a switch to make electrical contact

41. An overcurrent protection device (pl.)

42. Chemical symbol for magnesium

44. Low Noise Amplifier (abbr.)

46. Miniature RF connector

49. Chemical symbol for neodymium

51. Read-only (abbr.)

52. Design for Manufacturability (abbr.)

53. Electrical safety organization (abbr.)

55. Chemical symbol for erbium

60. Vector Offset Frequency Shift Keying

61. Upward force generated by an airfoil

62. Another word for each complete winding of an inductor

64. 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

65. High-speed circuit-switched data (abbr.)

66. Unit of time (abbr.)

68. Unit of time (abbr.)

70. Threaded tuning rod in a coil (pl.)

72. Ham abbreviation for "distant station"

74. Negation prefix

75. Effective frontal area presented to a microwave interrogation system (abbr.)

77. Manufacturer of project boxes

79. Yttrium Aluminum Garnet

80. Software drafting tool (abbr.)

81. Printed Wiring Board (abbr.)

84. Upper frequency (abbr.)

85. Chemical symbol for radon

See solution below


2018 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 18

August 5

July 29

July 22

July 15

July 8

July 1

June 24


June 10

June 3

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May 20

May 13

May 6

April 29

April 22

April 15

April 8

April 1

March 25

March 18

March 11

February 25

February 18

February 11

February 4

January 28

January 21

January 14

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