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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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March 8, 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. Crystal surface

5. Accomplishing a specified function

10. Type of data conversion device, abbr.

11. Microfarad, abbr.

13. Moon of Saturn discovered in 1672

15. Chemical symbol for plutonium

17. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image, abbr.

19. Chemical symbol for chromium

20. Open a fuse

21. Generate a periodic signal

24. Charged particles

25. Tall structures for antennas

27. Greek letter

28. Abbreviation for capacitor

30. _____ factor, the peak-to-average waveform value

31. Chemical symbol for palladium

32. One state of matter

34. Chemical symbol for cesium

37. Universal Asynchronous Transmit/Receive

38. Special diode that can be switched, abbr.

40. One component of a complex number, abbr.

41. Ratio of circumference to diameter

42. Connector vendor in Waseca, MN

46. Switch position

47. Chemical symbol for erbium

48. Common average used for sinewaves, abbr.

49. Solid state PA

51. European equivalent to the U.L.

52. Semiconductor On Insulator, abbr.

53. Chemical symbol for terbium

55. Up in the air

59. Stock symbol for Raytheon

61. Electron beam

63. Chamber that receives air from a blower for distribution

64. Volts divided by resistance

65. Measure of voltage

67. Stock symbol for Conexant

69. Chemical symbol for neon

70. Constellation : The lion

71. Chemical symbol for tin

72. 10-Gb Attachment Units Interface

73. Chemical symbol for tantalum

75. Transformer interwinding connection

77. Antenna manufacturer in Margate, FL

78. Threaded tuning rod in a coil

DOWN

2. Analog-to-Digital

3. "The butthead astronomer" (dubbed by Apple dev team)

4. Reflected radar or sonar signal

6. Chemical symbol for europium

7. Describes broadcast amplifiers, dummy loads, spark gaps, etc. (3 words)

8. Snail and E are examples of this

9. Constellation : The greater dog (5,5)

12. Length times width

14. Modern battlefield technique, abbr.

16. A compiler directive

17. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image, abbr.

18. Describes when a synchronous motor loses "lock"

19. Amplifier vendor in Santa Clara, CA

20. Low- to mid- frequency RF connector

22. Cathode Ray Tube

23. Ad-hoc on demand distance vector

25. Coefficient of temperature, abbr.

26. Type of logic gate

29. Astronomical distance of 3.26 light years

33. Retain a charge

34. Type of vector product

35. Thermocouple, photodetector, limit switch, for example

36. Separation of light into colors by refraction

37. Microhenry, abbr.

38. Special diode that can be switched, abbr.

39. Common average used for sinewaves, abbr.

41. Chemical symbol for platinum

43. Switch position

44. Growth on a crystalline substrate of a crystalline substance that mimics the orientation of the substrate

45. 1e-6 mA

50. Web page language

54. The "B" in BGA

55. Arithmetic Logic Unit

56. Semiconductor lamps

57. Upper frequency, abbr.

58. Chemical symbol for thulium

60. Nordic Mobile Telephone

61. Range of frequencies

62. Using the moon as a passive reflector to establish a signal path; moonbounce, abbr.

63. Permeability-Tuned Oscillator

66. Institute of Electrical and Electronics Engineers

67. Chemical symbol for calcium

68. Mate to a bolt, pl.

74. Chemical symbol for gold

76. Chemical symbol for plutonium


See solution below

 

RF Cafe: Engineering & Science Crossword Puzzle

Webmaster: Kirt Blattenberger, BSEE, UVM 1989

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