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Engineering & Science Crossword Puzzle

October 24, 2010

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.

2023 |2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku


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.


1. Inventor of the high voltage generator that powers the Jacob's Ladder (2 wds.)

11. Ham's code for "You are excused from the net."

12. Centimeter (abbr.)

13. Mate to an RX

14. Archaic Japanese unit of length equal to 30.3 mm

16. Logic family

18. Attenuator topology (pl.)

20. Opposite of a source

22. Chemical symbol for aluminum

24. Chemical symbol for arsenic

26. Automated Test Equipment (abbr.)

28. Chemical symbol for strontium

29. Coefficient of temperature (abbr.)

30. One type of electron spin

32. Direct Memory Access (abbr.)

34. Filter type (abbr.)

36. Electronic Variable Optical Attenuator (abbr.)

38. Semiconductor On Insulator (abbr.)

39. A BPF specification (abbr.)

40. Greek letter used for coefficient of reflection

43. Electromagnetic (abbr.)

45. Last statement in a BASIC program

46. Oscillator type that is referenced to an external source (abbr., pl.)

48. Compound used as the frequency determining element in microwave oscillators

49. Gun safety and education organization (abbr.)

51. Cooling devices

53. Chemical symbol for holmium

54. Logic family (abbr.)

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

56. Unit of length (abbr.)

57. Russian space probes which visited Halley's comet

59. Original Equipment Manufacturer (abbr.)

61. Digital transmission figure of merit (abbr.)

62. Mr. Dirac's first name

64. Lubricant

65. Chemical symbol for mendelevium

67. Narrowband Advanced Mobile Phone System (abbr.)

69. Local Oscillator (abbr.)

70. Type of memory

72. Increase voltage linearly

74. Transmit Incremental Tuning (abbr.)

76. Special diode type that can be switched (abbr.)

78. 10^-12 numerical prefix

79. Network department (abbr.)

80. Analog-to-Digital (abbr.)

82. Applied Computational Sciences, RF simulator company in Escondido, CA (abbr.)

84. Chemical symbol for cadmium

85. Galilean moon

86. Cellular Digital Packet Data

88. Change connector type

89. Total Access Communication System (abbr.)

91. Gallium nitride chemical symbol

93. Collection of electronic records (abbr.)

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

95. Lowest power level capable of being demodulated (abbr.)

97. Highest frequency at which a vertically incident radio wave will return from the ionosphere (2 wds.)


1. Chemical symbol for radon

2. Optical cross-connect (abbr.)

3. Official engineering change document (abbr., pl.)

4. Common average used for sinewaves (abbr.)

5. Advanced Research Projects Agency (abbr.)

6. RF ____, RF/microwave consulting company in Rochester, NY

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

8. x, y, or z on Cartesian coordinates

9. Modem encoding method (abbr.)

10. Upper frequency (abbr.)

11. Type of antenna with four-sided loops (pl.)

15. Rechargeable battery type (abbr.)

17. ELI the ICE ___

19. Basic element

21. The design component of total product cost (abbr.)

23. Open-______ or closed-______ system

25. Type of modulation (abbr.)

27. Internet protocol (abbr.)

29. Unit of weight (pl.)

31. Mr. Röntgen's first name

32. Type of current

33. Formerly HP Test & Measurement

34. Grouping of wires or cables

35. Chemical symbol for iron

37. Kind of tube containing a constriction that is used to measure the rate of flow of a fluid

39. Start frequency (abbr.)

41. Chemical symbol for silver

42. Chemical symbol for manganese

44. 300 kHz to 3 MHz

47. Numerical basis for decibels (abbr.)

48. Elemental compound used for microwave frequency reference oscillators (abbr.)

50. Powers pneumatic devices

52. Colorado Springs military school (abbr.)

57. Circuit element connecting PCB layers (pl.)

58. Modulation type (abbr.)

60. 1/000 of an amp (abbr.)

61. Filter type that blocks frequencies below and above a specified band (abbr.)

62. Chemical symbol for polonium

63. Plural of locus

64. Using a logical connection scheme for redundant power supplies

66. Ham abbreviation for "distant station"

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

69. Chemical symbol for lawrencium

71. Mars has two of these

73. Attenuator

75. Network department (abbr.)

77. European equivalent to the U.L.

78. Personal Digital Cellular

81. Switch configuration (abbr.)

82. Asynchronous Digital Subscriber Line (abbr.)

83. Longitudinal shape-forming structural element

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

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

87. Antenna gain unit (abbr.)

89. Greek letter

90. Miniature RF connector

92. Type of current flow (abbr.)

96. Chemical symbol for dysprosium

See solution below

Windfreak Technologies Frequency Synthesizers - RF Cafe

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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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