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. Positive elementary particle found in the nucleus of all atoms (pl.)
6. ______ + 54A + Research, RF simulator software company in El Segundo, CA
11. Chemical symbol for silicon
12. Chemical symbol for beryllium
13. Internet address (abbr.)
15. Chemical symbol for argon
16. Armored cable type
17. Chemical symbol for bismuth
19. Superior magnetic shielding material
22. Chemical symbol for lanthanum
23. Receiver power level circuitry (abbr.)
25. Straight line emanating from a point source (pl.)
26. Type of current
27. Microprocessor vendor
28. A BPF specification (abbr.)
29. Stock symbol for Raytheon
30. Unit of length (abbr.)
31. Test point (abbr.)
33. Enhanced Graphics Adapter
35. Chemical symbol for calcium
36. Power amplifier & antenna company in Ronkonkoma, NY (3-letter abbr.)
37. Chemical symbol for thallium
39. Circuit containing a mixture of technologies
40. RF connector & cable connector manufacturer located in Taiwan
41. Chemical symbol for chlorine
42. Substrate for mounting components (abbr.)
43. Chemical symbol for palladium
44. Person responsible for program spending (abbr.)
46. Chemical symbol for scandium
48. Electronics manufacturer with "meatball" logo
49. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image (abbr.)
50. Amateur radio abbreviation for the Oceania region (abbr.)
52. Amateur Teleprinter Over Radio (abbr.)
53. Type of flip-flop
54. 6A + ____ + Research, RF simulator software company in El Segundo, CA
56. 10^-9 numerical prefix
58. Morse Code for "from"
59. Basic storage unit of a database (pl.)
63. Part of a FOR loop
64. Megacycles (abbr.)
65. Chemical symbol for silver
66. Type of logic gate
67. Electromagnetic (abbr.)
69. Abbreviation for peak voltage
71. Multivibrator type
72. Custom metal parts (shields, etc.) etching company located in Chicago, IL
| DOWN
1. Unit of time (abbr.)
2. Airfoil shapers
3. Chemical symbol for terbium
4. Original Equipment Manufacturer (abbr.)
5. Add two or more inputs
6. ___-AZIMUTH telescope mount
7. Programmable logic device (abbr.)
8. Chemical symbol for lawrencium
9. Online auction site
10. Ham abbreviation for "distant station"
14. Electrical process that converts alternating current into direct current
18. Integrated Services Digital Network (abbr.)
20. Volt, meter, pint, pound, eg.
21. Power supply vendor in Minneapolis, MN
22. Tie a bundle of wires together
24. Multifunctional silicon devices (abbr.)
25. Part of this website's title
29. RF IC manufacturer headquartered in South Korea (abbr.)
30. Does not pass electrical test
32. Positively doped silicon
34. Molecular building blocks
35. Error checking scheme (abbr.)
38. Semiconductor lamp
45. Stack command
47. RF ____, the world's best engineering website
48. Power distribution system
49. Very small aperture terminal
51. European equivalent to the U.L.
53. Chemical symbol for radon
55. Type of data conversion device (abbr., pl.)
57. A star that suddenly becomes much brighter and then gradually returns to its original brightness over a period of weeks to years
59. Computer monitor cable type (abbr.)
60. Software engineering tool (abbr.)
61. Radio Direction Finding (abbr.)
62. Adjust a pot
64. 1/000 of an amp
65. A common battery cell size
68. Chemical symbol for molybdenum
70. Chemical symbol for lead |
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Answer below
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| 
Kirt
