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Kirt Blattenberger - RF Cafe Webmaster

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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August 23, 2009 Engineering & Science Crossword Puzzle


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

RF Cafe - Science & Engineering & Science Crossword Puzzle

ACROSS

1. RF shield manufacturer located in Concord, Ontario, Canada

9. Constellation : The scales

13. Power distribution system

14. Agilent's EE design software

15. ____ Electronics - RF/microwave components manufacturer in Denville, NJ

17. Unit of time, abbr.

18. Chemical symbol for neodymium

19. Motorola's "Digital ___"

20. Chemical symbol for bismuth

21. Finite Element Analysis, abbr.

22. Signal amplitude degradation due to inefficiency, pl.

25. Type of current

27. A common battery cell size

28. Type of current flow

29. Chemical symbol for platinum

31. Cellphone band above DCS; Personal communication system

32. Parameter that is a figure of merit for receiver performance in presence of multiple signals, abbr., pl.

35. Unit for 1,000,000 watt-seconds, abbr.

37. Line of Sight; Linux Operating System

38. Chemical symbol for beryllium

39. Chemical symbol for polonium

41. Type of antenna, pl.

43. Junk e-mail

47. Unix, Linux or Windows

49. Engine propellant

50. A common IC bondwire metal

51. 10^1 numerical prefix

52. Chemical symbol for radon

53. Assembling

56. Common shortcut reference for a capacitor

57. European spectrum allocation agency

58. The constellation in which Canopus is located

61. Analog-to-Digital

62. Chemical symbol for praseodymium

63. The nearest star - ... Centauri

65. RF switch manufacturer in Ventura, CA

67. Switch configuration, abbr.

70. Chemical symbol for tantalum

71. Intentionally block communications signals

72. Chemical symbol for bromine

74. Miniature threaded RF connector

75. A three-terminal power semiconductor device noted for high efficiency and fast switching (abbr.)

78. Amateur radio abbreviation for the Oceania region

79. Ham's code for "Unable to copy you."

81. Chemical symbol for argon

82. Chemical symbol for krypton

83. World's only remaining superpower, abbr.

84. Internet protocol, abbr.

86. Chemical symbol for silicon

87. High-speed logic family

89. Chemical symbol for lithium

91. ELI the ICE ___

92. RF filter vendor in Avenel, NJ

DOWN

2. Chemical symbol for magnesium

3. Chemical symbol for erbium

4. Chemical element abbreviated Sn

5. Asynchronous Digital Subscriber Line

6. Computer communication scheme, abbr., pl.

7. Radio term for an unconventional frequency separation between input and output frequencies, 2 wds.

8. Type of flip-flop

9. Has a positive phase wrt a reference

10. Integrated circuit, abbr.

11. Stock symbol for Boeing

12. Consequence of under sampling

15. Chemical symbol for manganese

16. Forward Error Correction

19. Class of spread spectrum, abbr.

20. No insulation

21. The mathematical process by which a number is expressed as a product of factors

23. Switch position

24. Official engineering change document, abbr., pl.

26. Chemical symbol for californium

30. Chemical symbol for thulium

33. Logarithmic unit of power

34. Test point, abbr.

36. RF connector & cable connector manufacturer located in Taiwan

40. Switch position

42. Chemical symbol for aluminum

43. Semiconductor On Insulator, abbr.

44. Type of frequency reference, abbr.

45. Summers

46. Constellation : The archer

48. Chemical symbol for tin

50. Bushing used to direct the path of a pushrod

51. The system than converts common website names to IP addresses, abbr.

54. Network department, abbr.

55. Wireless application protocol, abbr.

56. Column Grid Array, abbr.

59. Chemical symbol for rhodium

60. Type of memory

61. Microwave products supplier in San Jose, CA

64. Be behind in phase

65. Type of data conversion device, abbr., pl.

66. Chemical symbol for ytterbium

68. Unit of time, abbr.

69. Miniature threaded RF connector, pl.

71. Unit of energy

73. Chemical symbol for ruthenium

76. Chemical symbol for berkelium

77. Technical drawing structure

80. Ratio of circumference to diameter

85. 10^1 numerical prefix, pl.

88. Chemical symbol for chlorine

89. Chemical symbol for lawrencium

90. Galilean moon

91. Megacycles, abbr.


See solution below

RF Cafe - Engineering & Science Crossword Puzzle

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