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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.
2010 Engineering & Science Crossword Puzzles
 Take a break from the drudgery by trying your hand at some of these
goodies. Every word in the RF Cafe crossword puzzles is specifically related to
engineering, mathematics, and science. There are no generic backfill words like
many other puzzles give you, so you'll never see a clue asking for the name of a
movie star or a mountain on the Russia-China border.All of these crossword puzzles
were created using the fabulous Crossword Express (now called " Magnum Opus") software.
- Dec 19,
Dec 12, Dec 5
-
Nov 28, Nov 21,
Nov 14, Nov 7
-
Oct 31, Oct 24,
Oct 17, Oct 10,
Oct 3
- Sep 26,
Sep 12, Sep 5
-
Aug 29, Aug 22
-
Jul 25, Jul 18,
Jul 11, Jul 4
-
Jun 27, Jun 20,
Jun 13, Jun 6
-
May 30, May 23,
May 16, May 9,
May 2
- Apr 25,
Apr 18, Apr 11,
Apr 4
- Mar 28,
Mar 21, Mar 14,
Mar 7
- Feb 28,
Feb 21, Feb 14,
Feb 7
- Jan 31,
Jan 24, Jan 17,
Jan 10, Jan 3
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
ACROSS
1 Nuclear explosion byproduct harmful to electronic (abbr., pl.)
4. _______ Electronics, RF filter &
components manufacturer in Garfield, NJ
9. Multiprotocol Label Switching (abbr.)
12. Electrical safety organization (abbr.)
14. Unit of capacitance (abbr.)
15. Type of flip-flop
16.
Chemical symbol for iron
18. Advanced Test _________ Rentals, a company that leases lab equipment, in San
Diego, CA
23. Imaginary part of the opposition to current flow
28. Semiconductor device type (abbr.)
29. Software drafting tool (abbr.)
32. The nearest spiral galaxy
37. RF component distributor
40. Capacitor vendor in Greenville, SC
42. Electrical overstress (abbr.)
45. Digital storage
oscilloscope (abbr.)
47. RF switch & attenuator manufacturer located in Indianapolis, IN
49. Exponent
that returns the original number
51. Signal-to-noise ratio (abbr.)
52. Powers pneumatic devices
53. Adjust a pot
54. Describes the action of cleaving a crystal plane
55. Change connector type
59.
The "E" in EHF
62. Signal _________, a common piece of test equipment
68. Fast Fourier transform (abbr.)
70. Ham's code for "Station is leaving the net."
73. Man-made material
76. Shaping an object by forcing
material through a die
79. Multifunctional silicon devices (abbr.)
80. Chemical symbol for lead
82.
Electromagnetic (abbr.)
83. Chemical symbol for tin
84. National Television System Committee (abbr.)
85. _______ Engineering, RF
systems engineering firm in Middletown, OH, that provides RF subsystem design services
86. Adds two or more
inputs
DOWN
2. Minutes of Use (abbr.)
3. _____ conductor
5. Mate to a bolt
6. Sound frequency in the human hearing range (abbr.)
7. Chemical symbol for erbium
8. Bluetooth modules & ICs vendor headquartered in Cambridge, UK
9. The
"M" in CMOS
10. Computer communication scheme (abbr.)
11. BS__ - the degree held by many RF Cafe
visitors
13. Stock symbol for Lockheed Martin
16. U.S. Spectrum allocation agency
17. Chemical symbol for helium
19. Unit of liquid measure (abbr.)
20. Band between RF and BB
21. Negation prefix
22. Unit of admittance
24. Last statement in a BASIC
program
25. Analog-to-Digital (abbr.)
26. European equivalent to the U.L.
27. State _______ - A type of drawing used in computer science and related fields to describe the behavior of
systems (pl.)
30. WWW browser
31. Morse Code for "from"
32. Army-Navy specification prefix
33. Sunshine ______, engineering consultant in Ramona, CA
34. The "E"
in FET
35. Type of current flow (abbr.)
36. Electronics manufacturer with "meatball" logo
38. A star
that suddenly becomes much brighter and then gradually returns to its original brightness over a period of
weeks to years
39. ____ Equipment Connection,
40. ____ Microwave, RF component company in FuJian, China
41. 1E6 bits per second
43. Switch position
44. Chemical symbol for strontium
45. 10^1 numerical
prefix
46. Method of connecting redundant power supplies
47. JavaScript (abbr.)
48. Weight (abbr.)
49. Amateur radio abbreviation for the Oceania region (abbr.)
50. Greek letter used for frequency
56. Unit of inductance (abbr.)
57. Chemical symbol for mercury
58. Chemical symbol for chromium
60.
Chemical symbol for xenon
61. RF IC manufacturer headquartered in South Korea (abbr.)
63.
Electromagnetic interference (abbr.)
64. Type of memory
65. Ovenized crystal oscillator (abbr.)
66. Balun with both ports unbalanced (pl.)
67. Next to
68. Unit of length (abbr.)
69. Temporary Engineering Change document (abbr.)
70. Ham's code for "Shall I
send more slowly?"
71. Unix, Linux or Windows (abbr.)
72. Chemical symbol for polonium
73. Type of
component package (abbr.)
74. Logical negation operator
75. Central Processing Unit
76. Using the moon as a passive reflector to establish a signal path;
moonbounce (abbr.)
77. FCC Part 15 rules apply in this band (abbr.)
78. 1e-6 mA
81. Bandwidth (abbr.)
82. 1.602E-19 Joules
See solution below 
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