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Copyright: 1996 - 2024

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    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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May 3, 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. Adjacent Channel Power Ratio

5. CDMA Development Group, abbr.

8. Common solder composition (pre-lead-free)

12. Property of a lens that allows it to focus all wavelengths to the same point

16. Min-to-max voltage of a waveform

18. Light ray

19. One factor of a polynomial

20. Galilean moon

21. Unit of energy

23. Unit of current

24. Silicon transistor type

25. Signal-to-noise ratio, abbr.

26. Logical gate type, pl.

28. Last stage in a transmitter, abbr.

29. Chemical symbol for einsteinium

30. Eight bits

31. Alternative name for a pi meson

33. Ham's code for "Shall I stop sending?"

35. Join a male and a female connector

36. Line extending out from center

38. Tall structures for antennas

40. Chemical symbol for magnesium

41. Cabinet manufacturer in Cincinnati, OH

42. Chemical symbol for plutonium

43. Measure a waveform at regular intervals

47. Wireless modem manufacturer

51. Telecommunications Information Network Architecture

52. Atmospheres, abbr.

54. Query an input for changes

55. Antenna radiated power measurement, abbr.

56. Chemical symbol for praseodymium

57. Chemical symbol for arsenic

59. Bilateral trigger diode

61. Voice of America

62. Person responsible for program spending, abbr.

63. Government program to bring electricity to farms, abbr.

65. Permeability-Tuned Oscillator

66. Switch position

67. The constellation in which Canopus is located

68. Total Access Communication System

70. Chemical symbol for erbium

71. Frequency-selective with high rate of out-of-band attenuation

74. Concentric cable type

75. Archaic Japanese unit of length equal to 30.3 mm

76. Network configuration

DOWN

2. Chemical symbol for calcium

3. Substrate for mounting components, abbr.

4. Moon of Saturn discovered in 1672

5. Personal computer vendor

6. Decimeter, abbr.

7. The "G" in YAG

8. Alternative name for Pi Meson

9. Base Station Transceivers

10. Surface mount, abbr.

11. Circuit path with very high or infinite impedance

13. Increase voltage linearly

14. Uppermost surface, pl.

15. Material used in the center of an inductor coil

17. Means or path by which a radio signal travels from a transmitting station to a receiving station

20. Insert a value into a series using an estimate based on nearby known values

22. Power distribution system

25. Real estate where equipment is located

27. Semiconductor On Insulator, abbr.

30. Bulk Acoustic Wave

32. 1e-6 mA

34. Have a chemically induced efffect

35. Chemical symbol for molybdenum

36. Common average used for sinewaves, abbr.

37. Mr. de Forest's first name

38. Ham abbreviation for transceiver

39. Add two or more inputs

44. Gigantic star in Cetus

45. Silicon transistor type

46. Chemical symbol for lanthanum

48. Internet protocol, abbr.

49. Unit of length equal to 5.5 yards

50. Short video segment

52. Strong cable coverings

53. ______ Marietta, or Lockheed ______

55. Electronic Variable Optical Attenuator

56. Send a wireless to an early hip-worn wireless device

58. Physical barrier

60. Lacing ____, for bundling cables

62. Constellation : The southern cross

64. Advanced Communication Technologies and Services

67. A common battery cell size

69. Adjust a pot

71. Chemical symbol for cobalt

72. Upper frequency, abbr.

73. Chemical symbol for radium


See solution below

RF Cafe: Engineering & Science Crossword Puzzle

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