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| September 20, 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
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Reproduction of this puzzle without the express permission of RF Cafe is prohibited. | 
| ACROSS
1. Electronic Numerical Integrator and Computer (abbr.)
4. Mr. Kilby's first name
7. Foot (abbr.)
8. ___ + 9D, RF component manufacturer in Torrance, CA
10. 1/6 inch printer's measure
12. Part of a FOR loop
13. Digital storage oscilloscope (abbr.)
14. Co-channel rejection ratio (abbr.)
16. Sends a file over a network (abbr.)
18. A final surface coating
20. Astronomical Unit (93E6 miles)
21. Chemical symbol for radon
23. Chemical element abbreviated Sn
24. Power supply vendor in Minneapolis, MN
26. Describes a region on a semiconductor that has a linear and symmetric I-V curve
28. Indium phosphide
29. Chemical symbol for holmium
30. Fast Fourier transform (abbr.)
31. Chemical symbol for molybdenum
32. Internet protocol (abbr.)
34. Its chemical symbol is N
37. Mr. Piper's famous yellow airplane
39. Chemical symbol for neptunium
40. Chemical symbol for mendelevium
41. Innovative Power Products, Holbrook, NY (abbr.)
44. Its chemical symbol is Tm
47. Code for a type of electrical wire insulation
50. Coefficient of temperature (abbr.)
52. Chemical symbol for selenium
53. ___ + 1D, ferrite isolator & circulator company in Deerfield, IL
55. Antenna effective area
59. Chemical symbol for tantalum
60. Chemical symbol for lanthanum
61. Unit of resistance
62. Chemical symbol for niobium
64. IC killer (abbr.)
65. International Telegraphy and Telephony Consultative Committee
67. Amateur Radio Emergency Service
69. Logic family (abbr.)
70. Galilean moon
71. Ham abbreviation for "distant station"
72. Communication that method makes use of electromagnetic waves (abbr.)
75. Stock symbol for RF Micro Devices
76. Internet mail protocol (abbr.)
78. World's only remaining superpower (abbr.)
79. Chemical symbol for lutetium
80. Greek letter
81. A type of average
83. Type of flip-flop
85. Switch configuration (abbr.)
86. Troubleshooting software
| DOWN
1. 53A + ___________, ferrite isolator & circulator company in Deerfield, IL
2. Band between RF and BB
3. Rubbing of one particle against another in a resin bed
4. Type of transistor (abbr., pl.)
5. A common battery cell size
6. Imaging device (abbr., pl.)
9. 8A + ____________, RF component manufacturer in Torrance, CA
11. Megacycles (abbr.)
15. Part of this website's title
16. Heatsink feature
17. Name for a voltage that appears in an electrical conductor such as a wire, even though the wire is disconnected from an electrical circuit
19. Networks International Corporation, manufacturer of custom RF & microwave filters, Overland Park, KS (abbr.)
20. Chemical symbol for aluminum
22. Nanohenry, abbr.
25. One type of electron spin
27. Millihenry, abbr.
28. Discipline for aircraft navigation in low visibility environments (abbr.)
30. Network file transfer protocol (abbr.)
31. Akin to an EE, CE, AE, etc.
33. Chemical symbol for plutonium
35. Amplifier terminal
36. Chemical symbol for gadolinium
38. A "1" or a "0"
42. Picohenry, abbr.
43. An efficient microstrip corner shape
45. Microhenry, abbr.
46. Microwave Journal magazine (abbr.)
48. Slang for over-modulating so as to distort a waveform, 2 wds.
49. Its chemical symbol is Pd
50. Test equipment (abbr.)
51. RF connector company located in Wilmington, CA (2wd., 2 ltr.)
52. Add two or more inputs
54. Unit of liquid measure (abbr.)
56. Last stage in a transmitter (abbr.)
57. Amplifier linearity specification (abbr.)
58. Project box
63. Chemical symbol for bismuth
64. BS__ - the degree held by many RF Cafe visitors
65. Oscillator manufacturer in Whippany, NJ (abbr.)
66. Semiconductor and calculator company (abbr.)
68. Mate to a TX
69. Time division duplex (abbr.)
73. Radio Amateur Satellite Corporation
74. Surface mount (abbr.)
75. Increase voltage linearly
77. Mate to an RX
82. Chemical symbol for einsteinium
84. Chemical symbol for antimony |
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Answer below
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Kirt
