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Engineering Crossword Puzzle
March 30, 2014

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


December 28

December 21

December 14

December 7

November 30

November 23

November 16

November 9

November 2

October 26

October 19

October 12

October 5

September 28

September 21

September 14

September 7

August 31

August 24

August 17

August 10

August 3

July 27

July 20

July 13

July 6

June 29

June 22

June 15

June 8

June 1

May 25

May 18

May 11

May 4

April 27

April 20

April 13

April 6

March 30

March 23

March 16

March 9

March 2

February 23

February 16

February 9

February 2

January 26

January 19

January 12

January 5

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

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1. An abrupt change in a parametric value (pl.)

12. Changed from the initial value due to instability

14. Elemental compound used for microwave frequency reference oscillators (abbr., pl.)

15. Morse Code for "from"

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

18. Longitudinal shape-forming structural elements

19. Unintended frequency product from a mixer

20. Automated Test Equipment (abbr.)

22. Push to Talk (abbr.)

23. Miniature RF connector

24. Considered the 4th dimension

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

28. High-speed circuit-switched data (abbr.)

30. Greek letter often used to represent an angle

33. Programmable Logic Device (abbr.)

34. Chemical symbol for beryllium

36. Voltage limiter

38. Short for modulator/demodulator (pl.)

40. Type of data conversion device (abbr.)

41. Things in a bill of material

42. Trim a piece of Kapton tape to length

44. Temporary Engineering Change document (abbr.)

45. Bore a hole

47. Type of chart

48. Mr. Kirchhoff's and Mr. Eiffel's first name

50. Microprocessor vendor

51. Last stage in a transmitter (abbr.)

52. Early computer display screen resolution (abbr.)

54. Colorado Springs military school (abbr.)

55. Cambridge University _____, technical book publisher

58. Electrical unit of potential difference (pl.)

60. With 56 Down, this website's title

61. MS's server-side script engine for dynamically-generated web pages (abbr.)

63. 30 GHz to 300 GHz

65. Original Equipment Manufacturer (abbr.)

66. Voltage-Controlled Oscillator (pl.)

68. Constellation : The whale

70. Chemical symbol for molybdenum

71. Chemical symbol for terbium

72. Glue together

73. Unit for expressing a ratio

75. Large-value resistor connected across the filter capacitor in a power supply to discharge the filter capacitors when the supply is turned off (2 wds.)

1. 2/3 of a triac

2. Discipline for aircraft navigation in low visibility environments (abbr.)

3. Official Space Shuttle designation (abbr.)

4. European equivalent to the U.L.

5. Opposite of I.D.

6. Enter data using the keyboard

7. International Telecommunications Union

8. Type of logic gate

9. Unit of time (abbr.)

10. Theoretical

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

12. Type of spread spectrum that does not use frequency hopping (abbr.)

13. Angular speed unit

16. PC follower

17. Unit of length (abbr.)

19. Electronic component package type (abbr.)

20. Analog-to-Digital (abbr.)

21. End of a soldering iron (pl.)

22. Unit of time (abbr.)

24. ___/IP scheme for networked connectivity

25. Network department (abbr.)

27. Chemical symbol for cadmium

28. Amateur radio enthusiast

29. "Texting" (abbr.)

30. Chemical symbol for polonium

31. High Definition Television

32. U.K. equivalent of the IEEE

34. The "B" in BGA

35. High-speed logic family

36. Cellular Telecommunications Industry Association

37. Mr. de Forest's first name

38. Reliability measure

39. Unit of frequency (archaic, abbr.)

40. Singulated piece of IC wafer

41. Innovative Power Products, Holbrook, NY (abbr.)

42. Chemical symbol for copper

43. Country of RF Cafe's residency (abbr.)

45. The system than converts common website names to IP addresses (abbr.)

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

48. One port on a FET

49. A common battery cell size

50. U.K. equivalent of the IEEE

52. Chemical symbol for cobalt

53. Fastener hardware vendor in Woodside, NY

55. Last stage in transmitter (abbr., pl.)

56. With 60 Across, this website's title

57. Switch configuration (abbr.)

58. 300 Hz to 3 kHz

59. Type of component package (abbr.)

60. The "C" in CDMA

61. Automatic Testing, Evaluation & Reporting (abbr.)

62. Hub of the solar system

63. 1/6 inch printer's measure

64. Chemical symbol for holmium

66. Aircraft navigation system (abbr.)

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

68. Type of computer display (abbr.)

69. Engineering Change Order (abbr.)

71. Chemical symbol for thallium

72. Chemical symbol for beryllium

73. Ratio of circumference to diameter

74. Chemical symbol for einsteinium

See solution below

















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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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