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RF Cafe Engineering & Science Crossword Puzzle

December 30, 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 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 30, 2018

1. CB slang for unmarked police car (2 wds., pl.)

10. Printer output resolution unit (abbr.)

11. A type of average (pl.)

12. High-speed logic family

14. Graphics file extension

17. BlackBerry or Palm for example (abbr.)

18. Heterojunction Bipolar Transistor

20. Emitted a flash during electrical discharge

21. Enrico _____, nuclear physicist

23. Country of RF Cafe's residency

24. One state of matter

26. Circuit for maintaining constant voltage (abbr.)

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

29. Chemical symbol for berkelium

30. Antenna (abbr.)

31. Ham abbreviation for "distant station"

33. Type of component package (abbr.)

34. Chemical symbol for calcium

35. One port on a BJT (pl.)

37. Opposite of O.D.

39. Chemical symbol for molybdenum

40. Electrical overstress (abbr.)

41. Computer monitor resolution measure (abbr.)

43. Electromagnetic (abbr.)

45. One port of an amplifier

46. 3 GHz to 30 GHz

47. Personal Digital Cellular

48. Unit of apparent power (abbr.)

49. Amateur Radio Direction Finding (abbr.)

51. Flip-flop control input

53. Light ray

55. Filter type with high rate of out-of-band attenuation (aka 'elliptic')

57. Telex-Over-Radio (abbr.)

58. Short waveform excursion from a reference state

59. 56 Down + ____ is this website's title

61. The constellation in which Canopus is located

62. Push to Talk (abbr.)

64. Circuit for firing a radar magnetron (abbr.)

67. A common battery cell size

68. 1/000 of an amp (abbr.)

70. Chemical symbol for tantalum

72. Infrared (abbr.)

73. Radio receiver scheme which mixes a second frequency (LO) with the incoming radio signals

1. Min-to-max voltage of a waveform (abbr.)

2. Constellation: The scales

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

4. Wired Equivalent Privacy (abbr.)

5. Metric angle units

6. Automatic network analyzer (abbr.)

7. Unit of time (abbr.)

8. Radio-Electronics-Television Manufacturer's Association

9. Chemical symbol for scandium

10. European equivalent to the U.L.

13. Front edge of a wing (abbr.)

15. Unit of frequency (archaic, abbr.)

16. Maximum voltage in a waveform

18. Part of a screw that engages the driver

19. Filter type that blocks frequencies in a specified band (abbr.)

20. MS's server-side script engine for dynamically-generated web pages (abbr.)

22. Precision landing system (abbr.)

23. Unit of inductance (abbr.)

24. High frequency semiconductor

25. Type of motor that moves in increments rather than continuous rotation

27. Centimeter (abbr.)

29. Stock symbol for Boeing

32. Greek letter

34. Promote the flow of electrical current

35. Inventor of the pre-quantum atomic model

36. Switch configuration (abbr.)

38. Go through the process of planned creation

39. Gigantic star in Cetus

40. Chemical symbol for einsteinium

42. Multifunctional silicon devices (abbr.)

44. Stephen ____ - popular author on microwave circuit design

49. Type of current flow (abbr.)

50. Finite Element Analysis (abbr.)

52. Mate to a pin

53. A semi-automatic mechanical code key

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

56. __ + 59 Across is this website's title

58. Chemical symbol for praseodymium

60. Radio signals from the cosmos (abbr.)

61. Chemical symbol for aluminum

62. Last stage in transmitter (abbr., pl.)

63. Greek letter

65. Heatsink feature

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

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

69. Chemical symbol for argon

70. Part of a FOR loop

71. Analog-to-Digital (abbr.)

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 30, 2018

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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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