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May 2, 2010 Engineering & Science Crossword Puzzle

2010 Engineering & Science Crossword Puzzles

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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A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

- Dec 19, Dec 12, Dec 5

- Nov 28, Nov 21, Nov 14, Nov 7

- Oct 31, Oct 24, Oct 17, Oct 10, Oct 3

- Sep 26, Sep 12, Sep 5

- Aug 29, Aug 22

- Jul 25, Jul 18, Jul 11, Jul 4

- Jun 27, Jun 20, Jun 13, Jun 6

- May 30, May 23, May 16, May 9, May 2

- Apr 25, Apr 18, Apr 11, Apr 4

- Mar 28, Mar 21, Mar 14, Mar 7

- Feb 28, Feb 21, Feb 14, Feb 7

- Jan 31, Jan 24, Jan 17, Jan 10, Jan 3

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

RF Cafe - Engineering and Science Crossword Puzzle, May 2, 2010


1. Computer monitor cable type (abbr.)

4. Circuit theorem stating that the effects of multiple individual sources may be summed to yield overall response

14. Antenna radiated power measurement (abbr.)

16. Unit of inductance (abbr.)

17. Brand of hobby knife

18. Radio frequency interference (abbr.)

19. Chemical symbol for californium

20. Attenuator

22. Type of current

23. Chemical symbol for lutetium

25. Power amplifier & antenna company in Ronkonkoma, NY (3-letter abbr.)

26. Wavelength division multiplexing (abbr.)

27. Opposite of O.D.

29. Chemical symbol for mercury

31. Short for terminal

34. Stock symbol for Lockheed Martin

36. Custom metal parts (shields, etc.) etching company located in Chicago, IL

37. Periodic waveform with vertical leading edges and sloped trailing edges

38. One port of an amplifier

40. Chemical symbol for chromium

41. Dull solder connection

43. Area on a shaft for accommodating a setscrew

45. Electronics Industry Association (abbr.)

48. Chemical symbol for argon

49. Digital Enhanced Cordless Telephone

52. Unit of time (abbr.)

53. _____ delay, which describes the time taken for information to pass through a circuit element

55. Substrate for mounting component (abbr., pl.)

57. Aerodynamic opposition to thrust

59. One bit of a real number

60. Internet protocol (abbr.)

61. A common battery cell size

62. Quantum electron properties

63. Filter type (abbr.)

64. Method of connecting redundant power supplies

65. Computer Assisted Design and Development

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

68. Amateur Radio Emergency Service (abbr.)

69. Logic gates

71. Chemical symbol for palladium

72. Complex Instruction Set Computer

74. Chemical symbol for thallium

75. Flash, caused by an electric current ionizing a gas or vapor

76. BASIC program command

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

80. Last stage in a transmitter (abbr.)

82. European equivalent to the U.L.

83. A natural or synthetic compound of usually high molecular weight consisting of up to millions of repeated linked units

85. Type of propagation above 30 MHz by means of refraction by highly ionized regions around the Earth's poles

87. Parts per million (abbr.)

88. Forerunner to NASA

90. Chemical symbol for molybdenum

91. Chemical symbol for nobelium

92. Millennial calamity that wasn't

93. Portion of a circle

95. 1/000 of an amp (abbr.)

97. Unit of inductance (abbr.)

98. Gun safety and education organization (abbr.)

99. Chemical symbol for erbium

100. Unit of weight

102. Object orientated programming term

106. Analog-to-Digital (abbr.)

107. ____ Electronics - RF/microwave components manufacturer in Denville, NJ

109. The "C" in CMOS

110. Volt-ohmmeter (abbr.)


1. Electrical process that converts alternating current into direct current

2. Image file format name extension

3. Chemical symbol for bromine

4. Metal or plastic rod that connects a potentiometer wiper to a knob

5. Unit of capacitance (abbr.)

6. Mate to a TX

7. Plane curve traced out by a point which moves so that its distance from a fixed line is equal to its distance from a fixed point (pl.)

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

9. _______ Microwave, SSPA manufacturer in Trenton, NJ; also a type of jet fighter

10. Galilean moon

11. Infrared (abbr.)

12. Orthogonal frequency-division multiplexing (abbr.)

13. ___, manufacturer of custom RF & microwave filters, Overland Park, KS (abbr.)

15. Oscillator type that is referenced to an external source (abbr.)

16. Computer monitor resolution measure (abbr.)

21. Thread cutting tools

24. 300 MHz to 3 GHz

26. Weight (abbr.)

28. Impurity in a semiconductor that adds a mobile electron in the conduction band

30. PCB layout & fab company in Boynton Beach, FL

32. Radio Amateurs of Canada

33. Microwaves & RF magazine (abbr.)

35. Unit of inductance (abbr.)

39. Last keyword in a BASIC subroutine (pl.)

42. Test equipment (abbr.)

44. Cable termination type (pl.)

45. Unit of energy

46. Charged particle

47. Astronomical Unit (93e6 miles)

50. Cellular Digital Packet Data

51. Diac that can be turned back off

53. The plural of 2 down

54. A quadrilateral that has its opposite sides parallel

55. Attenuator (pl.)

56. Stock symbol for Boeing

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

59. ________ Microwave, producer of RF/microwave passive & active components, and complete susbsystems

62. Switch configuration (abbr.)

63. Chemical symbol for lawrencium

65. Carrier-to-noise ratio (abbr.)

66. Type of data conversion device (abbr.)

68. Adjacent Channel Power Ratio (abbr.)

70. A common battery cell size

71. _________ Microwave, I/Q & SSB mixer products vendor in Bloomington, IN

73. Chemical symbol for selenium

74. Radio navigation system

77. Circuit path with very high or infinite impedance

79. Turn source into an executable file

81. Amateur Radio Association (abbr.)

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

84. Move in a raster pattern

86. Type of memory

87. Max or min voltage of a waveform (abbr.)

89. Grouping of antennas

92. Stock symbol for Yahoo

94. Software drafting tool (abbr.)

96. Unit of atmospheric pressure (abbr.)

97. Coordinated Universal Time (abbr.)

99. Engineering Change Order (abbr.)

101. Home state of Los Alamos lab (abbr.)

102. Chemical symbol for chlorine

103. Modulation type (abbr.)

104. Chemical symbol for tin

105. Chemical symbol for calcium

108. 1.602e-19 Joules




See solution below

RF Cafe - Science & engineering crossword puzzle, May 2, 2010

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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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