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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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RF Cafe Engineering Crossword Puzzle w/Weekly Headlines
July 23, 2017

For the sake of avid cruciverbalists amongst us, each week I create a new crossword puzzle that has a theme related to engineering, mathematics, chemistry, physics, and other technical words. Clues in this puzzle with an asterisk (*) are pulled from this past week's (7/17 - 7/21) "Tech Industry Headlines" column on the RF Cafe homepage. Enjoy!


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

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

RF Cafe Engineering Crossword Puzzle w/Weekly Headlines July 23, 2017

ACROSS DOWN
1. Chemical element abbreviated Sn

4. DOD Puts 'Foot on Gas Pedal' to Catch up on Electronic _______ *

8. Logic family (abbr.)

11. Original Equipment Manufacturer (abbr.)

12. Shortwave listener (abbr.)

13. The "B" in BER

15. Type of distribution, squared

16. Term used in soldering to achieve the condition that occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface

17. Microsoft to Use __ White Spaces for Internet Access *

18. Describes the action of cleaving a crystal plane

21. Chemical symbol for argon

22. Modulation technique that varies the width of pulses in a train (abbr.)

23. A coherent monochrome light source

25. Flip-flop control input

26. Chemical symbol for erbium

27. Chemical symbol for cobalt

28. Log onto a hard drive

29. Electromagnetic (abbr.)

31. Synchronous Digital Hierarchy

33. Unit of time (abbr.)

34. Deutsche Industrie Normenausschuss

37. Opposite of O.D.

39. Chemical symbol for lutetium

40. Greek letter

43. Cellular Telecommunications Industry Association

45. Changing

46. He, along with Mr. Savart, developed a law that describes a magnetic field generated by an electric current

47. Exalted-Carrier Single Sideband (abbr.)

48. Software object reference name

49. Million multiply accumulate operations (abbr.)

50. Determine cause and effect

54. Move in a raster pattern

56. IC killer (abbr.)

57. Chemical symbol for neon

58. 1e-6 mA

59. Effective Radiated Power (abbr.)

60. Chemical symbol for mendelevium

61. Innovative Power Products, Holbrook, NY (abbr.)

63. Type of flip-flop

65. A sudden and temporary increase in voltage, current, or power

66. Chemical symbol for selenium

67. Filter type that blocks upper frequencies (abbr.)

69. Tall structure for antennas

71. Wireless phone regions

73. Test document for verifying proper function (abbr.)

76. A common battery cell size

78. Electrical overstress (abbr.)

79. Last stage in a transmitter (abbr.)

80. Unit of length equal to 5.5 yards

82. Positive voltage lead color

83. Display type

85. Wire diameter unit (abbr.)

86. Ground fault interrupter (abbr.)

87. RF connector type

88. Semiconductor Content in Electronic _______ Forecast to Set New Record in 2017 *

89. Beat frequency oscillator (abbr.)

1. _____ Companies Likely Enjoyed Solid - If Not Spectacular - Q2 *

2. U.K. equivalent of the IEEE

3. Nordic Mobile Telephone

4. National Bureau of Standards radio station (time signals)

5. Chemical symbol for aluminum

6. Chemical symbol for rubidium

7. Electronics Industry Association (abbr.)

8. ___/IP scheme for networked connectivity

9. Code for a type of electrical wire insulation (abbr.)

10. Is There a _____ to How Fast the Internet Can Become? *

12. A "0" or a "1," for instance

14. Adjusts

18. Europeans Will Only Buy Electric ____ by 2035 *

19. Unit of time (abbr.)

20. ____ Companies Push Offshore Cash Pile to Record High *

23. Front edge of a wing (abbr.)

24. Read-only (abbr.)

30. FCC Eyes _______ Spectrum Between 3.7 and 24 GHz *

32. Direct Memory Access (abbr.)

33. Breakthrough in _______ Threat Detection Science *

34. Type of current

35. Things in a bill of material

36. Rechargeable battery type (abbr.)

38. Chemical symbol for dysprosium

39. Chemical symbol for lithium

40. _____-wise linear

41. The _____ Eclipse QSO Party *

42. Network department (abbr.)

44. File name extension for an ASCII file

46. Early predecessor to an online forum (abbr.)

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

51. Chemical symbol for neon

52. Once around a circuit

53. Chemical symbol for zinc

55. Chemical symbol for neptunium

60. Steel, brass, aluminum, etc.

61. The Difference Between ____ 802.11ah and 802.11af in the IoT *

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

64. The gaseous state of water

65. _____ Atomic Cloud Solves Heisenberg's Observation Problem *

66. Chemical symbol for scandium

68. Unit of time (abbr.)

70. Amateur _____ Parity Act Introduced in U.S. Senate *

72. Local Oscillator (abbr.)

74. Base of the decimal number system

75. Personal Digital Cellular

77. Automatic Calibration System (abbr.)

79. Cellphone band directly above DCS

80. Computer monitor cable type (abbr.)

81. Switch position

84. Chemical symbol for dysprosium

85. Unit of length (abbr.)


See solution below

 

2017 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 Crossword Solution w/Weekly Headlines July 23, 2017

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