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| June 27, 2009 Engineering & Science Crossword Puzzle |
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.
2009 Engineering & Science Crossword Puzzles
Reproduction of this puzzle without the express permission of RF Cafe is prohibited. | 
| ACROSS 2. Horsepower, abbr. 4. Type of current flow 7. Type of programmable device, abbr. 11. Last stage in a transmitter, abbr. 12. Home state of Los Alamos lab 13. RF ____, the world's best engineering website 16. Association of North American Radio Clubs 18. Major U.S. space & communications company 19. Emit electromagnetic energy 21. Helium, iron, silicon, or uranium, for example 23. Decimeter, abbr. 24. Chemical symbol for platinum 25. A measure of receiver quality, abbr. 26. 10^1 numerical prefix 27. Start frequency, abbr. 29. Min-to-max voltage of a waveform 31. Unit of weight 32. Chemical symbol for neon 33. Chemical symbol for francium 35. _______ strength - measure of resistance from breaking 37. Administers 39. Filter supplier located in Gaithersburg, MD 44. Describes when a synchronous motor has lost "lock" 49. Unit of time 50. Chemical symbol for aluminum 51. International Telecommunications Union 52. Part of a FOR loop 53. Mate to a TX 54. Upper frequency, abbr. 55. Part of this website's title 56. Chemical symbol for rhodium 58. 1E6 nanoseconds 60. High frequency semiconductor 63. Custom metal parts (shields, etc.) etching company located in Chicago, IL 67. Connector vendor headquartered in Bristol, PA 68. International phonetic alphabet letter "I" 69. Programmable logic device, abbr., pl. 70. Army-Navy specification, abbr. 71. Chemical symbol for cesium 73. Ham radio organization 74. Chemical symbol for silver 75. 1/6 inch printer's measure; Electromagnetic | DOWN 1. Longitudinal shape-forming structural element 2. Test equipment manufacturer, now Agilent 3. Color set 4. Radiating device 5. Centimeter, abbr. 6. Transition from solid to liquid phase 8. Low Noise Amplifier 9. Computer Assisted Design and Development 10. Uses a squeezing tool for attaching a wire lug 13. RF & DC power supply manufacturer located in Gloucester, MA 14. Length times width 15. Cooling device 17. Chemical symbol for calcium 18. Front edge of a wing, abbr. 20. Test point, abbr. 22. 30 kHz to 300 kHz 27. Foot, abbr. 28. Chemical symbol for selenium 30. Ratio of circumference to diameter 32. Chemical symbol for neptunium 33. Chemical symbol for iron 34. Type of flip-flop 36. Mr. DeForest's first name 38. Programmable logic device, abbr. 39. Chemical symbol for radon 40. Chemical symbol for einsteinium 41. Precipitates 42. Chemical symbol for thallium 43. Creating upward force with an airfoil 44. The "S" in SAW 45. Network department, abbr. 46. ______ Electronics - electrical test cable & connector company in Pamona, CA 47. Chemical symbol for erbium 48. Ham abbreviation for "distant station" 54. One possible go-no-go test result 55. One component of a complex number, abbr. 57. Chemical symbol for holmium 59. Parameter that is a figure of merit for receiver performance in presence of multiple signals, abbr. 60. Key feature in a high level overvoltage protection device, pl. 61. Amateur Radio Association 62. Start frequency, abbr. 64. Semiconductor and calculator company, abbr. 65. Powers pneumatic devices 66. The "B" in BGA 70. A common battery cell size 72. Surface mount, abbr. |
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