Engineering & Science Crossword Puzzle - May 23, 2010

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.

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

ACROSS

1. The '3-finger salute" for a hung PC (3 keys)
4. Magnitude of a value
7. 1/000 of an amp (abbr.)
8. Semiconductor company based in Norwood, MA (2wd.)
15. Bandwidth (abbr.)
17. Peripheral Component Interface (abbr.)
18. Official Space Shuttle designation (abbr.)
20. Opposite of O.D.
22. Network department (abbr.)
23. Chemical symbol for tantalum
25. Chemical symbol for silicon
26. Readability, Signal, and Tone (QoS report type)
27. Send Morse Code
28. FCC's Universal Licensing System (abbr.)
29. BER, 8 bits at a time
30. Chemical symbol for terbium
32. BS__ - the degree held by many RF Cafe visitors
33. Chemical symbol for ruthenium
35. Coefficient of temperature (abbr.)
36. It can follow an MS
38. Akin to EEs, CEs, AEs, etc.
40. Polymer having the elastic properties of natural rubber
41. Short for "intermodulation"
42. RF connector & cable manufacturer located in Suwon, Korea (and an RF Cafe advertiser)
46. __ + Power + _______, RF power supply company in Setauket, NY
51. IC killer (abbr.)
53. ELI the ICE ___
54. Amateur radio abbreviation for the Oceania region (abbr.)
56. Last stage in a transmitter (abbr.)
57. Chemical symbol for rubidium
59. Morse Code for "from"
60. 300 MHz to 3 GHz
61. Logic family
62. Mate to a bolt
63. Circuit for firing a radar magnetron (abbr.)
64. Chemical symbol for nickel
66. Chemical symbol for bromine
67. Opposite of I.D.
69. Unit of frequency (archaic, abbr.)
70. 3 GHz to 30 GHz
72. Straight line emanating from a point source
74. 30 kHz to 300 kHz
75. Angle at which a radio signal is refracted in the ionosphere (2 wds.)
76. Greek letter (micro)
79. Applies too large of a signal
80. System for communicating between areas of a building or vessel (pl.)

DOWN

1. _________ Press, technical book publisher
2. Chemical symbol for lanthanum
3. The distance that light travels in one year (2 wds.)
4. Antenna effective area
5. Boob tube (abbr.)
6. Made or broke circuits
9. Chemical symbol for neptunium
10. Abbreviation for acknowledge (also a common word used by Bill the Cat)
11. Chemical symbol for lithium
12. Network department (abbr.)
13. A common RS-232 serial bus command (abbr.)
14. Chemical symbol for einsteinium
16. Point in a circuit that is always at approximately ground potential (2 wds.)
19. Distance around the boundary of a circle
21. 2 x SSB
22. U.K. equivalent of the IEEE
24. Arithmetic Logic Unit (abbr.)
25. Adjust a pot
31. Unit of admittance
34. Term used in soldering to achieve the condition that occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface
36. Chemical symbol for platinum
37. Decimeter (abbr.)
38. Chemical symbol for manganese
39. Chemical symbol for selenium
42. Mr. Marconi's first name
43. Front edge of a wing (abbr.)
44. Amplifier Solutions Corporation, located in Colmar, PA (abbr.)
45. Chemical symbol for neodymium
46. He stated the principle that the total energy in a stable fluid system is constant
47. Type of component package (abbr.)
48. Rotate about the vertical axis
49. Chemical symbol for tin
50. Range of frequencies (pl.)
52. 2 or more of these are required for matrix algebra
55. Type of distribution, squared
56. Substrate for mounting components (abbr.)
58. Manufacturer of project boxes
59. Design for Manufacturability (abbr.)
65. Greek letter often used to represent an angle
68. Yttrium Aluminum Garnet
70. Chemical symbol for strontium
71. Unit of length (abbr.)
72. Chemical symbol for radon
73. Ham-ese for Young Lady
77. Akin to an EE, CE, AE, etc.
78. Galilean moon

May 23, 2010 Engineering & Science Crossword Puzzle