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Exodus Advanced Communications Best in Class RF Amplifier SSPAs - RF Cafe

Engineering & Science Crossword Puzzle

June 12, 2011

2011 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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12/25/2011

12/18/2011

12/11/2011

12/4/2011

11/27/2011

11/20/2011

11/13/2011

11/6/2011

10/30/2011

10/23/2011

10/16/2011

10/9/2011

10/2/2011

9/25/2011

9/18/2011

9/11/2011

9/4/2011

8/28/2011

8/21/2011

8/14/2011

8/7/2011

7/31/2011

7/24/2011

7/17/2011

7/10/2011

7/3/2011

6/26/2011

6/19/2011

6/12/2011

6/5/2011

5/29/2011

5/22/2011

5/15/2011

5/8/2011

5/1/2011

4/24/2011

4/17/2011

4/10/2011

4/3/2011

3/27/2011

3/20/2011

3/13/2011

3/6/2011

2/27/2011

2/20/2011

2/13/2011

2/6/2011

1/30/2011

1/23/2011

1/16/2011

1/9/2011

1/2/2011


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

RF Cafe - 6/12/2011 Engineering Crossword Puzzle

ACROSS DOWN

2. Part of a directive antenna that derives energy from mutual coupling with the driven element (2 wds., pl.)

13. 10^23 of anything

14. Logarithmic unit of ratio (abbr., pl.)

15. International Reply Coupon (abbr.)

17. Trigger diode that conducts current only after its breakdown voltage has been exceeded momentarily

19. Upper frequency (abbr.)

21. Amateur Radio Association (abbr.)

22. Encased in a protective covering

24. Stock symbol for Raytheon

25. Chemical symbol for neptunium

26. Programmable logic device (abbr.)

27. Forcing a signal to an insignificant level

28. European equivalent to the U.L.

29. Electromagnetic (abbr.)

30. Manufacturer of project boxes

32. Name given to a set of practices designed to improve manufacturing processes and eliminate defects (2 wds.)

37. Length times width

40. Chemical symbol for silicon

41. Electronics manufacturer with "meatball" logo

42. Orthogonal frequency-division multiplexing (abbr.)

43. Transistor circuit configuration where a resistor in the emitter sets the operating point

44. Government program to bring electricity to farms (abbr.)

45. Chemical symbol for molybdenum

47. Unit of inductance (abbr.)

48. Device for translating lower frequencies to higher frequencies

51. User Datagram Protocol

52. Chemical symbol for molybdenum

53. Shorthand for liquid oxygen

55. Greek letter

56. 10 decibels

57. Chemical symbol for erbium

59. Enter data using the keyboard

61. Mr. de Forest's first name

62. Industrial Fasteners Institute (abbr.)

64. It is the "P" in S2P

66. Webmaster of RF Cafe website (2 wds.)

1. The common connection for all parts of a circuit that connect to the negative side of the power supply (2 wds.)

3. Modulation type (abbr.)

4. Unit of length equal to 5.5 yards

5. Dilbert's female co-worker

6. Creates an impenetrable physical barrier

7. Time delay (abbr.)

8. Big Blue

9. Chemical symbol for cesium

10. Antenna radiated power measurement (abbr.)

11. Gun safety and education organization (abbr.)

12. Coefficient of temperature (abbr.)

16. The ten administrative areas established by the FCC for Amateur Radio (2 wds., pl.)

18. Capable of being cascaded

19. Unit of length (abbr.)

20. Not reach the steady-state output voltage

21. Soften metal

23. Singulated piece of IC wafer

24. Computer monitor cable type (abbr.)

31. Country of RF Cafe's residency

33. U.K. equivalent of the IEEE

34. Chemical symbol for scandium

35. What number is defined as a one followed by 100 noughts

36. 300 kHz to 3 MHz

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

39. Collection of electronic records (abbr.)

46. Multiplexer (abbr.)

47. Peripheral Component Interface (abbr.)

49. Negatively doped silicon

50. A gaseous substance that can be liquefied by pressure alone

52. Swap ____, a Ham's flea market

54. Method of connecting redundant power supplies

56. Digital transmission figure of merit (abbr.)

58. Gary Breed's fine magazine on RF & microwaves topics (abbr.)

60. Unit of energy

61. Chemical symbol for lithium

62. Network department (abbr.)

63. One port of an amplifier

65. Test equipment (abbr.)


See solution below

RF Cafe - 6/12/2011 Engineering Crossword Puzzle Solution

PCB Directory (Manufacturers)
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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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