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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
November 5, 2017

For the sake of avid cruciverbalists amongst us, each week I create a new technology-themed crossword puzzle using only words related to engineering, science, mathematics, chemistry, physics, astronomy, etc. At least 10 clues in this puzzle with an asterisk (*) are pulled from this past week's (10/30 - 11/3) "Tech Industry Headlines" column on the RF Cafe homepage. 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 Crossword Puzzle w/Weekly Headlines November 5, 2017

1. CCA 2017: Tackling the _______ Capacity Conundrum *

8. Tech Giants' _______ Hit by Exceptional Circumstances *

14. A type of average (pl.)

15. Peripheral Component Interface (abbr.)

17. Securing device

19. Apple Patches _____ WiFi Vulnerability in IOS and macOS *

22. Automatic Calibration System (abbr.)

24. ECM response

25. Moon of Saturn discovered in 1672

26. Filter type (abbr.)

28. 10E1 numerical prefix

29. Chemical symbol for praseodymium

30. A common RS-232 serial bus command (abbr.)

31. Decimeter (abbr.)

33. 300 kHz to 3 MHz

34. The entire Universe

37. Astronomical distance of 3.26 light years

39. Switch position

41. Third planet from the sun

42. Unit of frequency (archaic, abbr.)

43. Israel's Spacecom Books Launch with ______ *

44. Software language by Borland

45. One of four lines used in ferrite core memories

46. Artificial Intelligence (abbr.)

48. International QSL forwarding bureau

50. Looking for Errors in a '_____ Box' *

53. Chemical symbol for radon

54. Chemical symbol for cadmium

55. Agilent's EE design software (abbr.)

56. Return-to-Zero (abbr.)

58. Chemical symbol for helium

59. Computer communication scheme (abbr.)

60. Type of current flow (abbr.)

61. Digital Signal Processor (abbr.)

63. Qualcomm's Purchase of ___ Could Slip into 2018 *

66. SIP x 2

68. Chemical symbol for silicon

69. Tiny LF Signal Makes ___ from Newfoundland to UK *

71. Having power applied (slang)

73. A BPF specification (abbr.)

74. Cambridge Server Crashes When Stephen Hawking's ________ Thesis Goes Online *

75. 5 Worst Problems Facing Next-Generation ________ Networks *

2. Nuclear explosion byproduct harmful to electronic (abbr., pl.)

3. Test equipment (abbr.)

4. A processed or unprocessed semiconductor substrate (pl.)

5. Switch position

6. Type of flip-flop

7. Causing EM signals to disperse randomly

9. Chemical symbol for rubidium

10. Type of logic gate

11. Unit of capacitance (pl.)

12. Multifunctional silicon devices (abbr.)

13. How ____ Will Shape Future Battlefields *

15. Chemical symbol for praseodymium

16. Multifunctional silicon devices (abbr.)

18. Tennessee _____ _____ Re-Opens, Partners with Ham Radio Club *

19. Unit of length (abbr.)

20. Chemical symbol for krypton

21. Power out versus power in

23. Chemical symbol for calcium

27. Related to FM by a differential

29. Chemical symbol for polonium

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

35. A circuit that takes two or more input signals, and produces an output that includes the sum and difference of those signal frequencies (pl.)

36. Thermocouple, photodetector, limit switch, for example

37. Moon of Saturn with retrograde orbit

38. Line extending out from center

40. Chemical symbol for neptunium

42. Unit of inductance (abbr.)

47. Apple May Have Fudged iPhone X's Face __ *

48. Early programming language

49. User Datagram Protocol

51. Software drafting tool (abbr.)

52. Cutting instrument

53. Chemical symbol for radium

57. Chemical symbol for zinc

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

61. Digital storage oscilloscope (abbr.)

62. Type of logic gate

64. Chemical symbol for xenon

65. Telex-Over-Radio (abbr.)

67. Cellphone band directly above DCS

69. Chemical symbol for holmium

70. Last stage in a transmitter (abbr.)

71. Opposite of a LO

72. Test equipment (abbr.)

See solution below

2017 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.