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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 typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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December 13, 2009 Engineering & Science Crossword Puzzle


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

RF Cafe - Engineering & Science Crossword Puzzle

ACROSS

1. Positive elementary particle found in the nucleus of all atoms (pl.)

6. ______ + 54A + Research, RF simulator software company in El Segundo, CA

11. Chemical symbol for silicon

12. Chemical symbol for beryllium

13. Internet address (abbr.)

15. Chemical symbol for argon

16. Armored cable type

17. Chemical symbol for bismuth

19. Superior magnetic shielding material

22. Chemical symbol for lanthanum

23. Receiver power level circuitry (abbr.)

25. Straight line emanating from a point source (pl.)

26. Type of current

27. Microprocessor vendor

28. A BPF specification (abbr.)

29. Stock symbol for Raytheon

30. Unit of length (abbr.)

31. Test point (abbr.)

33. Enhanced Graphics Adapter

35. Chemical symbol for calcium

36. Power amplifier & antenna company in Ronkonkoma, NY (3-letter abbr.)

37. Chemical symbol for thallium

39. Circuit containing a mixture of technologies

40. RF connector & cable connector manufacturer located in Taiwan

41. Chemical symbol for chlorine

42. Substrate for mounting components (abbr.)

43. Chemical symbol for palladium

44. Person responsible for program spending (abbr.)

46. Chemical symbol for scandium

48. Electronics manufacturer with "meatball" logo

49. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image (abbr.)

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

52. Amateur Teleprinter Over Radio (abbr.)

53. Type of flip-flop

54. 6A + ____ + Research, RF simulator software company in El Segundo, CA

56. 10^-9 numerical prefix

58. Morse Code for "from"

59. Basic storage unit of a database (pl.)

63. Part of a FOR loop

64. Megacycles (abbr.)

65. Chemical symbol for silver

66. Type of logic gate

67. Electromagnetic (abbr.)

69. Abbreviation for peak voltage

71. Multivibrator type

72. Custom metal parts (shields, etc.) etching company located in Chicago, IL

DOWN

1. Unit of time (abbr.)

2. Airfoil shapers

3. Chemical symbol for terbium

4. Original Equipment Manufacturer (abbr.)

5. Add two or more inputs

6. ___-AZIMUTH telescope mount

7. Programmable logic device (abbr.)

8. Chemical symbol for lawrencium

9. Online auction site

10. Ham abbreviation for "distant station"

14. Electrical process that converts alternating current into direct current

18. Integrated Services Digital Network (abbr.)

20. Volt, meter, pint, pound, eg.

21. Power supply vendor in Minneapolis, MN

22. Tie a bundle of wires together

24. Multifunctional silicon devices (abbr.)

25. Part of this website's title

29. RF IC manufacturer headquartered in South Korea (abbr.)

30. Does not pass electrical test

32. Positively doped silicon

34. Molecular building blocks

35. Error checking scheme (abbr.)

38. Semiconductor lamp

45. Stack command

47. RF ____, the world's best engineering website

48. Power distribution system

49. Very small aperture terminal

51. European equivalent to the U.L.

53. Chemical symbol for radon

55. Type of data conversion device (abbr., pl.)

57. A star that suddenly becomes much brighter and then gradually returns to its original brightness over a period of weeks to years

59. Computer monitor cable type (abbr.)

60. Software engineering tool (abbr.)

61. Radio Direction Finding (abbr.)

62. Adjust a pot

64. 1/000 of an amp

65. A common battery cell size

68. Chemical symbol for molybdenum

70. Chemical symbol for lead


See solution below

RF Cafe - Sceince & Engineering & Science Crossword Puzzle

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