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Engineering & Science Crossword Puzzle
May 8, 2011

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.

2011 Engineering & Science Crossword Puzzles

| 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 |
| 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
12/25/2011
12/18/2011
12/11/2011
12/4/2011
11/27/2011
11/20/2011
11/13/2011
11/6/2011
10/30/2011
10/23/2011
10/16/2011
10/9/2011
10/2/2011
9/25/2011
9/18/2011
9/11/2011
9/4/2011
8/28/2011
8/21/2011
8/14/2011
8/7/2011
7/31/2011
7/24/2011
7/17/2011
7/10/2011
7/3/2011
6/26/2011
6/19/2011
6/12/2011
6/5/2011
5/29/2011
5/22/2011
5/15/2011
5/8/2011
5/1/2011
4/24/2011
4/17/2011
4/10/2011
4/3/2011
3/27/2011
3/20/2011
3/13/2011
3/6/2011
2/27/2011
2/20/2011
2/13/2011
2/6/2011
1/30/2011
1/23/2011
1/16/2011
1/9/2011
1/2/2011

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

RF Cafe - May 8, 2011 Engineering Crossword


ACROSS DOWN
1. With 31 across, message for today's celebrity (3 wds. total)
12. Logical gate type (pl.)
13. Connector type
14. Trigonometric function equal to the ratio between the side opposite a given angle, and the hypotenuse
16. Chemical symbol for lithium
18. Chemical symbol for palladium
20. Network department (abbr.)
22. Filter type that blocks frequencies in a specified band (abbr.)
23. Chemical symbol for holmium
24. Indium phosphide
26. Used to remove oxidation during soldering
29. Automatic Packet Position Reporting System (abbr.)
31. With 1 across, message for today's celebrity (3 wds. total)
32. Cellular Digital Packet Data
34. Engineering Change Order (abbr.)
35. Greek letter
36. Wireless phone region
37. Chemical symbol for europium
38. Modulation type (abbr.)
40. Lunar depression
43. Abbreviation for minimum voltage
44. Chemical symbol for iron
45. Chemical symbol for selenium
47. Gary Breed's fine magazine on RF & microwaves topics (abbr.)
49. Chemical symbol for silicon
50. Online service
52. Chemical symbol for mendelevium
53. Boob tube (abbr.)
54. Method of connecting redundant power supplies (pl.)
55. Unit of length (abbr.)
56. Lowest power level capable of being demodulated (abbr.)
57. Astronomical Unit (93E6 miles)
58. Infrared (abbr.)
59. Start frequency (abbr.)
60. Insulating cover over a solder joint
63. Galilean moon
65. Last stage in a transmitter (abbr.)
67. Battery cell chemistry type (abbr.)
69. Type of chart
70. Network file transfer protocol (abbr.)
72. Not hot
74. One state of matter
75. The "W" in CW
76. Term used in soldering to describe the condition that occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface
78. Positive voltage lead color
79. Chemical symbol for aluminum
80. Unit of apparent power (abbr.)
81. Boob tube (abbr.)
83. Chemical symbol for calcium
85. Chemical symbol for xenon
86. Circuit for firing a radar magnetron (abbr., pl.)
88. Cellular Telecommunications Industry Association
90. Total Access Communication System (abbr.)
91. The process by which a body moves back and forth through a central neutral position (pl.)
1. Communication between stations by reflecting the radio waves off of the ionosphere
2. Amateur Radio Direction Finding (abbr.)
3. Unit of time (abbr.)
4. Yard (abbr.)
5. Degree of IC sophistication (abbr.)
6. One port of an amplifier
7. Chemical symbol for terbium
8. Chemical symbol for einsteinium
9. They give wings an airfoil shape
10. Signal-to-noise ratio (abbr.)
11. Dilbert's female co-worker
15. He stated the law that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature
17. The "I" in ISM
19. __________ approximation DAC
21. One element of a scattering matrix
23. A communications mode in which a radio transmits and receives on two different frequencies but performs only one of these operations at any given time (2 wds)
25. Min-to-max voltage of a waveform (abbr.)
27. Front edge of a wing (abbr.)
28. Type of logic gate
29. Automated Test Equipment (abbr.)
30. Chemical symbol for ruthenium
31. Morse Code for "from"
33. 10^1 numerical prefix
36. Centimeter (abbr.)
39. Unit of admittance (pl.)
41. Mechanical engineering organization (abbr.)
42. Considered the 4th dimension
43. Family of ICs with a certain component density level (abbr.)
46. 1.602E-19 Joules
48. Chemical symbol for francium
51. Opposite of I.D.
52. 1/000 of an amp (abbr.)
58. Indium Gallium Phosphor semiconductor (abbr.)
59. Unit of inductance (abbr.)
61. Mr. DeForest's first name
62. Organization for former military members
64. Amateur radio abbreviation for the Oceania region (abbr.)
66. Summed
68. 1E6 nanoseconds
69. Last stage in a transmitter (abbr.)
71. Chemical symbol for platinum
73. Method of connecting redundant power supplies
75. Computer communication scheme (abbr., pl.)
77. Move in a raster pattern
80. Variable Frequency Oscillator
81. Logic family (abbr.)
82. Circuit element connecting PCB layers
84. Automatic Calibration System (abbr.)
87. Chemical symbol for scandium
88. Chemical symbol for chlorine
89. PC follower
90. Part of a FOR loop



Answer below










RF Cafe - May 8, 2011 Engineering Crossword Solution

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