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Radio & Radar Crossword Puzzle
January 11, 2015

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

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

Radio & Radar Crossword Puzzle for January 11, 2015 - RF Cafe

1. Amount of deviation from nominal and still being within specification

4. 2-element, 1/2 wavelength antenna fed at the center (pl.)

7. Part of this website's title

9. Chemical symbol for cadmium

10. BS__ - the degree held by many RF Cafe visitors

11. RF ____, the world's best engineering website

13. Switch position

15. Coder/decoder (abbr.)

18. Passing of a planet in front of the sun

21. Point of information transfer between two systems

24. 30 kHz to 300 kHz

25. Chemical symbol for radium

26. Solid state power amplifier (abbr.)

30. Chemical symbol for copper

31. Circuit element connecting PCB layers

33. Chemical symbol for manganese

34. Large unit of apparent power (abbr.)

35. Cellphone band below PCS

38. Early operating system (still popular)

40. List of answers to commonly desired information about a product or service (abbr.)

41. Strong, lightweight wood

43. A disk operation

46. Chemical symbol for neptunium

47. Pertaining to the moon

49. Unintentionally change the oscillator frequency

50. Advanced Communication Technologies and Services (abbr.)

52. Type of component package (abbr.)

54. Telex-Over-Radio (abbr.)

56. Infrared (abbr.)

57. Add two or more inputs

58. Tweak a filter for the correct response

60. Electrical safety organization (abbr.)

62. 1.602E-19 Joules

65. Band between RF and BB

66. Centimeter (abbr.)

68. Chemical symbol for lutetium

69. Unit of admittance

70. Computer Assisted Design and Development

71. Enhanced Graphics Adapter

72. Signal-to-noise ratio (abbr.)

74. An ellipse has two of them

76. A star that suddenly becomes much brighter and then gradually returns to its original brightness over a period of weeks to years

79. 3 GHz to 30 GHz

80. Circuit boards (abbr.)

81. Chemical symbol for cobalt

82. Spurious RF products created by metal joints (abbr.)

85. Type of logic gate

86. Describes a lens able to focus all wavelengths to the same point (pl.)

87. Satellite TV system

1. Wire diameter unit (abbr.)

2. Analog-to-Digital (abbr.)

3. Its chemical symbol is Fe

4. Digital Enhanced Cordless Telephone

5. Circuit path with very high or infinite impedance

6. Constellation : The scorpion

7. RF integrated circuit (abbr.)

8. Chemical symbol for iron

12. Internet addresses

14. Unit of time (abbr.)

16. Trigger diode that conducts current only after its breakdown voltage has been exceeded momentarily (pl.)

17. A common RS-232 serial bus command (abbr.)

19. Audio Frequency Shift Keying (abbr.)

20. One port of an amplifier

22. 2-part adhesive (pl.)

23. When an amplifier is driven into its nonlinear operating region

27. Common plastic insulation type (abbr.)

28. A common battery cell size

29. BlackBerry or Jordana for example (abbr., pl.)

32. Association of North American Radio Clubs

36. "Calling any amateur radio station"

37. 1e-6 mA

39. Programmable logic device (abbr.)

41. Method of sending high-speed digital signals on electric distribution wires, a Ham's nemesis (abbr.)

42. Local Oscillator (abbr.)

44. Device under test (abbr.)

45. Component

46. Mate to a bolt

48. Chemical symbol for nobelium

50. Large radio telescope in Puerto Rico

51. Test point (abbr.)

53. Maximum Usable Frequency

55. Balun with both ports unbalanced (pl.)

59. FCC's Universal Licensing System (abbr.)

60. 300 MHz to 3 GHz

61. Open-______ or closed-______ system

63. Unit of apparent power (abbr.)

64. Summers

66. Early computer display screen resolution (abbr.)

67. 1/000 of an amp (abbr.)

71. Electronic Variable Optical Attenuator (abbr.)

73. Moon of Saturn discovered in 1672

75. Pure carrier (abbr.)

77. Amateur radio abbreviation for the Oceania region (abbr.)

78. Type of digital filter (abbr.)

82. Unit of inductance (abbr.)

83. Chemical symbol for molybdenum

84. Semiconductor and calculator company (abbr.)

85. Unix, Linux or Windows (abbr.)

See solution below


2015 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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