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| May 3, 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 1. Adjacent Channel Power Ratio 5. CDMA Development Group, abbr. 8. Common solder composition (pre-lead-free) 12. Property of a lens that allows it to focus all wavelengths to the same point 16. Min-to-max voltage of a waveform 18. Light ray 19. One factor of a polynomial 20. Galilean moon 21. Unit of energy 23. Unit of current 24. Silicon transistor type 25. Signal-to-noise ratio, abbr. 26. Logical gate type, pl. 28. Last stage in a transmitter, abbr. 29. Chemical symbol for einsteinium 30. Eight bits 31. Alternative name for a pi meson 33. Ham's code for "Shall I stop sending?" 35. Join a male and a female connector 36. Line extending out from center 38. Tall structures for antennas 40. Chemical symbol for magnesium 41. Cabinet manufacturer in Cincinnati, OH 42. Chemical symbol for plutonium 43. Measure a waveform at regular intervals 47. Wireless modem manufacturer 51. Telecommunications Information Network Architecture 52. Atmospheres, abbr. 54. Query an input for changes 55. Antenna radiated power measurement, abbr. 56. Chemical symbol for praseodymium 57. Chemical symbol for arsenic 59. Bilateral trigger diode 61. Voice of America 62. Person responsible for program spending, abbr. 63. Government program to bring electricity to farms, abbr. 65. Permeability-Tuned Oscillator 66. Switch position 67. The constellation in which Canopus is located 68. Total Access Communication System 70. Chemical symbol for erbium 71. Frequency-selective with high rate of out-of-band attenuation 74. Concentric cable type 75. Archaic Japanese unit of length equal to 30.3 mm 76. Network configuration | DOWN 2. Chemical symbol for calcium 3. Substrate for mounting components, abbr. 4. Moon of Saturn discovered in 1672 5. Personal computer vendor 6. Decimeter, abbr. 7. The "G" in YAG 8. Alternative name for Pi Meson 9. Base Station Transceivers 10. Surface mount, abbr. 11. Circuit path with very high or infinite impedance 13. Increase voltage linearly 14. Uppermost surface, pl. 15. Material used in the center of an inductor coil 17. Means or path by which a radio signal travels from a transmitting station to a receiving station 20. Insert a value into a series using an estimate based on nearby known values 22. Power distribution system 25. Real estate where equipment is located 27. Semiconductor On Insulator, abbr. 30. Bulk Acoustic Wave 32. 1e-6 mA 34. Have a chemically induced efffect 35. Chemical symbol for molybdenum 36. Common average used for sinewaves, abbr. 37. Mr. DeForest's first name 38. Ham abbreviation for transceiver 39. Add two or more inputs 44. Gigantic star in Cetus 45. Silicon transistor type 46. Chemical symbol for lanthanum 48. Internet protocol, abbr. 49. Unit of length equal to 5.5 yards 50. Short video segment 52. Strong cable coverings 53. ______ Marietta, or Lockheed ______ 55. Electronic Variable Optical Attenuator 56. Send a wireless to an early hip-worn wireless device 58. Physical barrier 60. Lacing ____, for bundling cables 62. Constellation : The southern cross 64. Advanced Communication Technologies and Services 67. A common battery cell size 69. Adjust a pot 71. Chemical symbol for cobalt 72. Upper frequency, abbr. 73. Chemical symbol for radium |
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