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Engineering Crossword Puzzle
September 7, 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.

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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

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June 8

June 1

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April 6

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March 23

March 16

March 9

March 2

February 23

February 16

February 9

February 2

January 26

January 19

January 12

January 5

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Engineering Crossword Puzzle for September 7, 2014 - RF Cafe

1. Gain of one amplifier

4. Its 1st derivative is a cosine wave (2 wds.)

8. U.S. Spectrum allocation agency

10. System for guiding aircraft (abbr.)

11. Computer character set (abbr.)

13. Semiconductor On Insulator (abbr.)

15. Electron beam particle

17. Type of transistor (abbr., pl.)

18. Chemical symbol for tin

19. One port on a BJT

21. European equivalent to the U.L.

22. Infrared (abbr.)

23. Rechargeable battery type (abbr.)

25. Thin Shrink Small Outline Package (abbr.)

27. One component of a complex number (abbr.)

28. Last statement in a BASIC program

29. Nearest and furthest points to the center of gravitational attraction for a body in orbit (pl.)

32. PC follower

33. Chemical symbol for neptunium

34. Multifunctional silicon devices (abbr.)

35. High power density battery chemistry (abbr.)

37. Radio signal route

38. Unit of frequency (archaic, abbr.)

40. Logarithmic ratio (abbr.)

41. Chemical symbol for selenium

42. International phonetic alphabet letter "D"

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

44. Multifunctional silicon devices (abbr.)

45. Path followed by a heavenly body

47. Logic gates

49. Chemical symbol for gold

50. Chemical symbol for lanthanum

51. One port on a FET

53. Unit of length (abbr.)

54. Unwanted 60- or 120- Hz modulation due to poor power supply filtering (2 wds.)

56. Receiver power level circuitry (abbr.)

59. Relative power level unit (abbr.)

61. Tool for holding parts while working on them (pl.)

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

64. Automated Test Equipment (abbr.)

66. Connector mounting wall

67. Electro-mechanical switching device (pl.)

1. Illumination device

2. LCD display vendor

3. With 8 Across, this website's title

4. Society of Civil and Structural Engineers (abbr.)

5. The "N" in SNR (pl.)

6. Weight (abbr.)

7. Variable crystal oscillator (abbr.)

9. With 3 Down, this website's title

10. PC follower

12. Continuous Tone Coded Squelch System (abbr.)

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

14. Logic gates to flip logic level

16. Type of high-tech data gathering system (abbr.)

17. JavaScript (abbr.)

18. Half of a DIP

20. Between-series connector

23. RF region defined at less than wavelength/2/ pi (2 wds.)

24. Chemical symbol for cadmium

25. Slang for an Amateur Radio license

26. Substance that removes electrons from another reactant

30. Chemical symbol for silicon

31. Local Oscillator (abbr.)

33. 1e-6 mA

36. Chemical symbol for lead

37. Last stage in a transmitter (abbr.)

39. Chemical symbol for chlorine

41. Parameter that is a figure of merit for receiver performance in presence of multiple signals (abbr., pl.)

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

43. One port of an amplifier

45. One port of an amplifier

46. Mr. Pascal's first name

48. Archaic term for an outdoor antenna

49. Scheme to maintain proper frequency (abbr.)

51. Sudden, brief increase in wind speed

52. Modulation type (abbr.)

55. Part of a screw that engages the driver

57. Type of component package (abbr.)

58. Charged particles

60. Unit of heat

63. Chemical symbol for berkelium

65. Chemical symbol for erbium

See solution below

















Engineering Crossword Puzzle Solution for September 7, 2014 - RF Cafe

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    Kirt Blattenberger,


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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