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RF Cafe Engineering & Science Crossword Puzzle
June 17, 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 June 17, 2018

1. Type of transistor (abbr.)

4. Which branch of Mathematics studies spatial relations which are unaffected by the continuous change of shape or size of geometric figures

8. Singulated piece of IC wafer

10. Negative temperature coefficient (abbr.)

11. Diac that can be turned back off

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

15. Solid state power amplifier (abbr.)

17. A type of average (pl.)

18. Chemical symbol for cesium

19. Light ray

21. Chemical symbol for thulium

22. Test point (abbr.)

23. Relating to the sun

25. Have a chemically induced effect

27. Abbreviation for minimum voltage

28. Printer output resolution unit (abbr.)

29. Computer messaging service

32. Chemical symbol for helium

33. Mass unit (abbr.)

34. Chemical symbol for niobium

35. Stock symbol for National Instruments

37. Asynchronous Communication Interface Adapter (abbr.)

38. Filter type that blocks frequencies below and above a specified band (abbr.)

40. Chemical symbol for antimony

41. Chemical symbol for strontium

42. One of the first commercial software spreadsheets, (w/123)

43. Printer resolution abbreviation

44. Type of current flow (abbr.)

45. Negatively charged ion

47. First name of a British scientist of falling apple fame

49. Coefficient of temperature (abbr.)

50. Chemical symbol for magnesium

51. Tool for holding parts while working on them

53. Network department (abbr.)

54. Unintentionally changes the oscillator frequency

56. Asynchronous Digital Subscriber Line (abbr.)

59. Hz

61. Hydrogen, argon, neon, xenon, etc.

62. Circuit for maintaining constant voltage (abbr.)

64. Powers pneumatic devices

66. Changed from a "0" to a "1"

67. Summers

1. Unit of admittance (pl.)

2. LCD display vendor

3. Time delay (abbr.)

4. Prefix meaning ground or earth

5. The fourth state of matter, which occurs in stars and fusion reactors

6. Chemical symbol for lawrencium

7. Gallium nitride chemical symbol

9. Thing in a bill of material

10. Chemical symbol for neptunium

12. Microprocessor vendor

13. Digital Signal Processor (abbr.)

14. Equal about an axis

16. Rise over run, 1st derivative

17. 1/000 of an amp (abbr.)

18. Logic gate output configuration (abbr.)

20. The second-lowest region of the ionosphere found approximately 60 to 70 miles above Earth (1 ltr. + 1 wd, hyph.)

23. Electrical circuit diagram

24. Chemical symbol for lithium

25. Flat cable type

26. Enclosure for electronics system or assembly

30. Army-Navy specification prefix

31. Chemical symbol for bismuth

33. Unit of frequency (archaic, abbr.)

36. Chemical symbol for terbium

37. A common battery cell size

39. Chemical symbol for platinum

41. Send junk e-mail

42. _____ + Microwave, waveguide products vendor in West Palm Beach, FL

43. 10E1 numerical prefix

45. Logic family

46. Type of high frequency diode (abbr.)

48. Created an impenetrable physical barrier

49. Service of the ARRL that helps hams solve technical problems (abbr.)

51. Family of ICs with a certain component density level (abbr.)

52. Network department (abbr.)

55. Have a positive phase wrt a reference

57. Type of current

58. Signal amplitude degradation due to inefficiency

60. The cell band above DCN

63. Chemical symbol for beryllium

65. Chemical symbol for radium

See solution below


2018 Crosswords Archive
Visit the Crossword Express website - RF CafeTake a break from the drudgery by trying 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 June 17, 2018

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