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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

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...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:

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Engineering & Science Crossword Puzzle
July 12, 2015

For the sake of avid cruciverbalists amongst us, each week I create a new crossword puzzle that has a theme related to engineering, mathematics, chemistry, physics, and other technical words. You will never be asked the name of a movie star unless he/she was involved in a technical endeavor (e.g., Hedy Lamarr). Enjoy!

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

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

Engineering & Science Crossword Puzzle for July 12, 2015 - RF Cafe

Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.

ACROSS DOWN
2. Hiding data within a message

9. Erbium Doped Fiber Amplifier (abbr.)

12. __ + 14 Across, the world's best engineering website

13. Amateur Radio Association (abbr.)

14. __ + 12 Across, the world's best engineering website

16. Notch type filter (abbr.)

17. Chemical symbol for palladium

18. Filter type that blocks upper frequencies (abbr.)

20. Chemical symbol for gold

21. Attenuator

22. Logarithmic unit of power

23. Peripheral Component Interface (abbr.)

25. Subjects a circuit to extreme operation

28. Device for allowing two surfaces to rotate wrt each other

30. Type of logic gate

32. Programmable logic device (abbr.)

33. DIYer type

36. Chemical symbol for nobelium

37. Unit of inductance (abbr.)

39. Shuttle Amateur Radio EXperiment

40. Feedback system used to maintain constant level (abbr.)

42. Enhanced Graphics Adapter

44. 18 GHz to 26.5 GHz

46. Time required to transition up or down in voltage (2 wds.)

50. A keyboard key

51. Type of digital filter (abbr.)

52. Online service

53. Chemical symbol for radon

55. 1/000 of an amp (abbr.)

56. Type of current flow (abbr.)

57. Asynchronous Transfer Mode (abbr.)

58. Connector type

60. Current-voltage phase mnemonic

61. Chemical symbol for lead

62. The "T" in ATE

63. Number of windings in a transformer secondary vs. primary (2 wds.)

1. Wireless communication devices

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

4. Chemical symbol for californium

5. 36 inches (pl.)

6. Rate of a radar transmitter's output waveform (abbr.)

7. Chemical symbol for tantalum

8. Orthogonal frequency-division multiplexing (abbr.)

10. A BPF specification (abbr.)

11. A common battery cell size

15. The 'body' of an airplane

16. The UK's largest defense electronics contractor (abbr.)

17. Common solder composition (pre-lead-free, abbr.)

19. Peripheral Component Interface (abbr.)

21. Number which is divisible only by itself and 1

22. Morse Code for "from"

24. Indium phosphide

26. Device for converting electrical signals into sound (pl.)

27. Transmits a signal

29. One state of matter

31. Switch position

34. Leaded component type

35. Computer monitor cable type (abbr.)

38. Chemical symbol for mercury

41. Software engineering tool (abbr.)

43. Application Specific Integrated Circuit (abbr.)

45. Stock symbol for National Semiconductor

47. Chemical symbol for lawrencium

48. H2O

49. Type of memory

51. International Amateur Radio Union (abbr.)

54. Mate to a bolt

57. Automatic Calibration System (abbr.)

58. Antenna gain unit (abbr.)

59. Chemical symbol for beryllium

60. One port of an amplifier

61. Chemical symbol for platinum


See solution below

 

2015 Crosswords Archive

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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