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RF Cafe Engineering & Science Crossword Puzzle
December 22, 2019

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. This week's puzzle contains a special holiday message (clues with asterisks) to all RF Cafe visitors. 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 Lamarr 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 December 23, 2018

ACROSS DOWN
1. Chemical symbol for francium

3. Type of power supply

9. Unit of volume (abbr.)

11. 34 Across + 79 Across and a _____ + 40 Across + 50 Across!*

12. One axis of an ellipse

13. Base 16 number system (abbr.)

16. Unit of atmospheric pressure (abbr.)

17. Teflon (abbr.)

18. Illumination device

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

21. Chemical symbol for radium

23. Direct Digital Synthesis (abbr.)

25. 1e-6 mA

26. Chemical symbol for argon

27. Emitted a flash during elextrical discharge

29. The "U" in UHF

31. The "S" in CES, the world's largest yearly convention of gadget and device manufacturers

34. _____ + 79 Across and a 11 Across + 40 Across + 50 Across!*

36. Nearest and furthest points to the center of gravitational attraction for a body in orbit

38. Country of RF Cafe's residency

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

40. 34 Across + 79 Across and a 11 Across + ___ + 50 Across!*

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

42. Unit of liquid measure (abbr.)

43. Analog-to-Digital (abbr.)

45. Chemical symbol for lithium

47. Electronics manufacturer with "meatball" logo

48. Type of logic gate

50. 34 Across + 79 Across and a 11 Across + 40 Across + ____!*

52. Amateur Teleprinter Over Radio (abbr.)

54. Mate to a bolt (pl.)

56. Chemical symbol for thulium

57. Chemical symbol for arsenic

58. Type of current flow (abbr.)

60. Radio signals from the cosmos (abbr.)

62. Chemical symbol for radium

63. Part of a FOR loop

65. A keyboard key

67. Pulse used to initiate a circuit action

70. Circuit that reduces interference (abbr.)

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

73. S12 or S21 (abbr.)

74. 1e-6 mA

75. Chemical symbol for scandium

76. Chemical symbol for nobelium

78. 1E6 nanoseconds

79. 34 Across + _________ and a 11 Across + 40 Across + 50 Across!*

84. Chemical symbol for iron

85. Type of modulation (abbr.)

86. Abbreviation for minimum voltage

87. Chemical symbol for silicon

89. Cyanide (abbr.)

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

92. The "O" in VCO (pl.)

93. Its chemical symbol is U

97. First magnitude star in Auriga

101. Semiconductor On Insulator (abbr.)

102. CDMA Development Group (abbr.)

103. Chemical symbol for manganese

104. A common battery cell size

1. Unit of inductance (abbr.)

2. CRT electron beam scan type

3. Solid figure that has every point on its surface equidistant from its center

4. 3-phase transformer configuration

5. Chemical symbol for thallium

6. Filter type that blocks lower frequencies (abbr.)

7. Nordic Mobile Telephone

8. Part of a gyroscope that facilitates free movement of the reference sphere

9. Devices on an axle used to hold a wheel in place

10. Chemical symbol for chromium

14. Chemical symbol for xenon

15. Unit of length equal to 5.5 yards

16. Chemical symbol for aluminum

17. Maximum voltages in a waveform

19. Securing device

22. Type of data conversion device (abbr.)

23. Impurity in a semiconductor

24. International phonetic alphabet letter "S"

25. Mate to a bolt

28. Logic family

30. Medium for storing large amounts of digital data

32. Color quality

33. A processed or unprocessed semiconductor substrate

35. Chemical symbol for radon

36. Negatively charged ion

37. Shortwave listener (abbr.)

41. Radar design company

42. Powerful celestial radio source

44. Adjust the specification for temperature

46. Puts a new program on a computer

47. Chemical symbol for gallium

49. Chemical symbol for ruthenium

51. Electromagnetic (abbr.)

53. Coefficient of temperature (abbr.)

55. Test equipment (abbr.)

57. ______ House, technical book publisher

59. Plasma atmosphere layer of the sun

61. Type of current

64. Chemical symbol for calcium

66. Ratio of a mechanical drawing

68. Multifunctional silicon devices (abbr.)

69. Chemical symbol for gadolinium

71. Type of rechargeable battery (abbr., pl.)

75. Electronically images a document

77. International phonetic alphabet letter "O"

80. Part of this website's title

81. Intermodulation (abbr.)

82. Boob tube (abbr.)

83. Unit of length (abbr.)

84. Cessation of the ability to perform a specified function

88. Put a new program on a computer

89. Chemical symbol for cobalt

91. Start frequency (abbr.)

94. Stock symbol for National Semiconductor

95. Charged particle

96. Schema for computer or device presentation to the operator (abbr.)

98. Type of current flow (abbr.)

99. BlackBerry or Palm for example (abbr.)

100. Enhanced Graphics Adapter


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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RF Cafe Engineering & Science Crossword Solution December 22, 2019

PCB Directory (Manufacturers)
Amplifier Solutions Corporation (ASC) - RF Cafe
Exodus Advanced Communications Best in Class RF Amplifier SSPAs
Triad RF Systems Amplifiers - RF Cafe

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Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    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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