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About RF Cafe

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 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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7/16/2007 Engineering & Science Crossword Puzzle

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

RF Cafe: Engineering & science crossword puzzle

ACROSS

1. Filter with more than one frequency band going from separate ports to a common port, pl.

4. Used in linear algebra

7. Chemical symbol for cadmium

8. Points in an IQ diagram

15. Chemical symbol for plutonium

17. Singulated piece of IC wafer

18. Type of miniature RF connector

20. Chemical symbol for lithium

22. Chemical symbol for gallium

23. Chemical symbol for ytterbium

25. Chemical symbol for tin

26. Original Equipment Manufacturer

27. Attenuator

28. Unit of typing speed, abbr.

29. Type of chart

30. European equivalent to the U.L.

32. Chemical symbol for silicon

33. Chemical symbol for aluminum

35. Chemical symbol for platinum

36. Output spectrum of a balanced mixer, abbr.

38. A common battery cell size

40. Emission of electromagnetic energy

41. Electromagnetic wavelength unit

42. Major engineering university in Palo Alto, CA

46. Electromagnetic wavelength units

51. Stock symbol for Harris Communications

53. Keyboard key, abbr.

54. Chemical symbol for radon

56. Local Oscillator

57. Test Point

59. Chemical symbol for neodymium

60. Amateur Radio Association

61. U.S. equivalent of GLONASS

62. Chemical symbol for indium phosphide

63. Family of TTL logic

64. 1/000 of an amp

66. Start frequency, abbr.

67. Maximum signal amplitude, abbr.

69. Chemical symbol for manganese

70. Substrate for mounting components, abbr.

72. Software drafting tool

74. Time Delay

75. Rms current times rms voltage

76. Chemical symbol for argon

79. Overdrives

80. Elements in front of the driven element in a Yagi or Quad antennas

DOWN

1. Device for separating AC from DC

2. Chemical symbol for lead

3. Solid angle unit

4. Our galaxy

5. Chemical symbol for einsteinium

6. Element used for super accurate clocks

9. Opposite of I.D.

10. Networks International Corporation, abbr.

11. Chemical symbol for selenium

12. Part of a FOR loop

13. Current-voltage phase mnemonic

14. Shorthand for oxygen

16. Symbols and lines used to construct a representative drawing of a system at a high level, pl.

19. A loading coil at the center of an antenna to achieve a lower resonant frequency

21. Institute of Electrical Engineers (U.K)

22. One state of matter

24. Broadband Over Power Lines

25. Half of a DIP

31. Base Station Transceivers

34. Be behind in phase

36. 10^1 numerical prefix

37. Chemical symbol for bismuth

38. Army-Navy spec.

39. Chemical symbol for arsenic

42. Uses software to predict circuit performance

43. Femtohenry, abbr.

44. Logic gates

45. Type of flip-flop

46. Added catalyst

47. Chemical symbol for gadolinium

48. Adjust a pot

49. Chemical symbol for thallium

50. Metrology reference devices

52. Describes a purely reactive element

55. Gun safety and education organization, abbr.

56. Filter type, abbr.

58. Silicon transistor type

59. Stock symbol for National Semiconductor

65. Transmission Control Protocol

68. Crystal filter type

70. Min-to-max voltage of a waveform, abbr.

71. Stock symbol for Boeing

72. Chemical symbol for cobalt

73. Morse Code for "from"

77. Unit of length, abbr.

78. Chemical symbol for holmium


Answer below

 

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