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1/21/2008 Engineering & Science Crossword Puzzle

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

RF Cafe: Engineering & science crossword puzzle


1. Circuit designed to copy a current through one active device by controlling the current in another active device, 2 wds.

9. Unit of heat

10. Finite Element Analysis, abbr.

12. Chemical symbol for arsenic

14. Type of current flow

15. Information at the beginning of a data block, pl.

19. Megacycles, abbr.

20. Chemical symbol for zinc

21. Negative Temperature Coefficient

23. Automatic repeat request used in AMTOR

24. Mate to a bolt

26. Adjust a pot

27. Devices for interpreting encoded data

29. Abbreviation for acknowledge (also a common word for Bill the Cat)

32. Condensed water

34. Attenuator

35. International QSL forwarding bureau

37. Type of logic gate

38. Modulation type, abbr.

39. Erbium Doped Fiber Amplifier

40. A measure of quality of an RX in the presence of two signals

41. Surface mount, abbr.

42. International Reply Coupon

43. Capacitor manufacturer in Huntington Station, NY

45. Upper Sideband

47. Transmission Control Protocol

49. Singulated piece of IC wafer

50. World's first satellite navigation system, abbr.

51. Test equipment manufacturer (now Agilent)

52. 3 MHz to 30 MHz

54. Last stage in a transmitter, abbr.

55. Test point, abbr.

57. One who DXs

58. Plane geometric figure having eight straight sides

59. The "H" in UHF

60. Greek letter

61. Coefficient of temperature, abbr.

62. Chemical symbol for platinum

63. Test equipment, abbr.

65. Base of the binary number system

66. Yttrium Aluminum Garnet

68. Telex-Over-Radio

70. Enhanced Graphics Adapter

71. Motorola's Digital ___

72. Computer monitor cable type, abbr.

73. One component of a complex number, abbr.

75. Thermoelectric Outer Planet Spacecraft

77. Overcurrent protection device

78. Chemical symbol for magnesium

79. Innovative Power Products, Holbrook, NY, abbr.

81. Swiss mathematician who extensively studied complex numbers

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

85. Division on an oscilloscope's display

89. Finite-Element Model

90. A number that can be expressed as a/b

93. Electrical overstress, abbr.

94. Greek letter

96. Short for potentiometer

97. Automatic Network Analyzer

98. A unit of measurement in the field of typography

99. Chemical symbol for gadolinium

101. The portion of a cone which remains when its upper part has been cut off by a plane parallel to its base

103. Chemical symbol for xenon

104. Chemical symbol for tin

105. Amplifier Solutions Corporation, abbr.

107. Type of memory

108. Used to split signals into two or more paths, pl.



1. 4 GHz to 8 GHz

2. Coordinated Universal Time, abbr.

3. Chemical symbol for ruthenium

4. Time division duplex

5. Part of this website's name

6. Original equipment manufacturer, abbr.

7. Radio Amateur Civil Emergency Service

8. Filter that rejects lower and higher frequencies

11. Short for "intermodulation"

13. It is produced when water boils

15. Stock symbol for Harris Communications

16. Equalizer, abbr.

17. Chemical symbol for radon

18. One of two primary frequency outputs of a single-balanced mixer

20. Compliments of poles

22. Type of imaging device, abbr.

23. Chemical symbol for argon

25. Part of a FOR loop

26. Hub of the solar system

28. Type of field that will make your hair stand on end

29. Chemical symbol for gold

30. Angle at which a radio signal is refracted in the ionosphere, 2 wds.

31. Chemical symbol for krypton

33. Specification provided for a capacitor bank when first energized (2 wds.)

35. Stock symbol for Boeing

36. Unix, Linux or Windows

42. Formerly Borland

43. Analog-to-Digital

44. European equivalent to the U.L.

46. Lifetime failure rate curve

48. Camera image

50. Type of chart used extensively for project scheduling

51. Base 16 number system

53. U.S. Spectrum allocation agency

54. Sound made by an overstressed capacitor

56. Type of chart

64. Highest point in a rocket's trajectory, pl.

66. Yard, abbr.

67. Chemical symbol for gallium

69. RF connector & cable manufacturer in Suwon, Kyonggi-do, Korea

74. EEPROM that is not electrically erasable

76. Chemical symbol for selenium

77. Chemical symbol for francium

78. Kind of average, pl.

80. Last stage in a transmitter, abbr., pl.

82. Microfarad, abbr.

83. Electromagnetic, abbr.

84. Rádio Nacional de Angola, abbr.

86. Indium Gallium Phosphor semiconductor, abbr.

87. Chemical symbol for lawrencium

88. 30 GHz to 300 GHz

90. Type of memory

91. PC follower

92. Components on a parts list

95. Logic gate

96. Chemical symbol for plutonium

100. Digital Storage Oscilloscope

102. Semiconductor On Insulator, abbr.

103. Type of logic gate

106. Pure carrier, abbr.

107. One component of a complex number, abbr.

See solution below

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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