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    Kirt Blattenberger,

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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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Wireless Engineering Crossword Puzzle

March 18, 2012

2012 Crosswords Archive

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.

Wireless Engineering Crossword Puzzle - March 18, 2012 - RF Cafe

ACROSS DOWN
1. The "S" in SOIC

5. Opposition to the flow of an electrical current

11. Display a radar target

15. Minutes of Use (abbr.)

16. Chemical symbol for chlorine

17. Radio Direction Finding (abbr.)

18. Last stage in a transmitter (abbr.)

20. Miniature threaded RF connector (pl.)

22. Weight (abbr.)

24. Chemical symbol for argon

25. Vertical Metal Oxide Semiconductor

27. Chemical symbol for francium

28. A keyboard key

30. Indium phosphide

31. Asynchronous Digital Subscriber Line (abbr.)

34. Input intercept point (abbr.)

35. Asynchronous Transfer Mode (abbr.)

36. Passing control to another operator

38. 1/6 inch printer's measure

39. Company that markets Delphi software

40. Analog-to-Digital (abbr.)

42. Akin to an EE, CE, AE, etc.

43. Chemical symbol for niobium

44. PC follower

45. Goes beyond published limits

47. Abbreviation for peak voltage

49. Instrument for measuring current

51. International Microwave Symposium (abbr.)

53. End of transmission (abbr.)

54. Cable television (abbr.)

56. Electromagnetic interference (abbr.)

57. Semiconductor On Insulator (abbr.)

59. Chemical symbol for polonium

60. Primary U.S. standards organization founded in 1918 (abbr.)

61. Sound frequency in the human hearing range (abbr.)

62. Type of modulation (abbr.)

64. A common lamp tube gas

66. Chemical symbol for nobelium

67. System for guiding aircraft (abbr.)

68. Unit of capacitance (abbr.)

70. Negation prefix

72. Network device that takes commands from another similar device

73. 3-D geometrical figure that is symmetrical about each of three perpendicular axes, and has circular sections along one axis and elliptical sections along the others (pl.)

74. Network configuration type (pl.)

1. Used to indicate an exponent (pl.)

2. Modulation type (abbr.)

3. Line of Sight (abbr.)

4. Name given to the emission of light from a substance which has not been heated

5. How long a stepped signal takes to go from 10% to 90% of its full-scale value (2 wds.)

6. Crystal filter type (abbr.)

7. Chemical symbol for scandium

8. Chemical symbol for thallium

9. Type of logic gate

10. Physical condition surrounding a system; e.g., temperature, humidity, vibration, altitude (pl.)

11. Means or path by which a radio signal travels from a transmitting station to a receiving station (pl.)

12. Agilent's EE design software (abbr.)

13. Band between RF and BB

14. Device used to provide a complex conjugate impedance match to the end of a transmission line (pl.)

19. Chemical symbol for arsenic

21. Type of logic gate

23. Chemical symbol for tantalum

24. Chemical symbol for aluminum

26. 1/000 of an inch

27. Unit of length (abbr.)

29. Inductor used to block RF signals (pl.)

32. Morse Code for "from"

33. Type of component package (abbr.)

35. Summers

37. Cooling devices

39. Electron beam particle

41. Logarithmic ratio (abbr.)

42. 1/000 of an amp (abbr.)

46. Electrical overstress (abbr.)

47. Unit of apparent power (abbr.)

48. Chemical symbol for platinum

50. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)

52. Chemical symbol for molybdenum

54. Chemical symbol for californium

55. 300 Hz to 3 kHz

58. Switch position

60. Amateur Television (abbr.)

61. Online service

63. Degree of IC sophistication (abbr.)

65. Logical negation operator

67. A common battery cell size

68. Min-to-max voltage of a waveform (abbr.)

69. Start frequency (abbr.)

71. 1e-6 mA


See solution below

Wireless Engineering Crossword Puzzle Solution - March 18, 2012 - RF Cafe

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