Engineering & Science Crossword Puzzle
March 20, 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

Visit the Crossword Express website - RF CafeTake 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.

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 - Science &  Engineering Crossword Puzzle, March 20, 2011


ACROSS DOWN
ACROSS
1. The fourth state of matter, which occurs in stars and fusion reactors
4. The "Ga" in GaAs
7. Chemical symbol for zirconium
9. Chemical symbol for francium
10. Test point (abbr.)
11. Circuit path with very high or infinite impedance
13. Greek letter used for frequency
15. Have a chemically induced effect
18. The area between a pair of concentric circles
21. Mathematical process that yields a quotient as its result
24. European equivalent to the U.L.
25. Last stage in a transmitter (abbr.)
26. Small Office/Home Office (abbr.)
30. Min-to-max voltage of a waveform (abbr.)
31. Color quality
33. Amateur radio abbreviation for the Oceania region (abbr.)
34. Silicon transistor type (abbr.)
35. 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
38. An abbreviation for "receiver"
40. Digital voltmeter (abbr.)
41. International phonetic alphabet letter "R"
43. Boolean expression (pl.)
46. Chemical symbol for selenium
47. Part of a screw that engages the driver (pl.)
49. Imaging device (abbr., pl.)
50. Quickly changing portion of waveform
52. Chemical symbol for arsenic
54. Transformer interwinding connection
56. One type of electron spin
57. RF connector type
58. Dense Wavelength Division Multiplexing
60. Chemical symbol for lanthanum
62. Unix, Linux or Windows (abbr.)
65. Infrared (abbr.)
66. Chemical symbol for praseodymium
68. Chemical symbol for palladium
69. Semiconductor device type (abbr.)
70. An abbreviation for "transmitter"
71. Units of 1000 CPS
72. Akin to EEs, CEs, AEs, etc.
74. European spectrum allocation agency (abbr.)
76. Logic gate
79. Printer resolution abbreviation
80. Used logic gates
81. Chemical symbol for iron
82. Readability, Signal, and Tone (QoS report type)
85. Chemical symbol for bismuth
86. A triangle that has all sides equal in length
87. Computer interconnection scheme (abbr.)
DOWN
1. Circuit for firing a radar magnetron (abbr.)
2. Chemical symbol for lawrencium
3. Software function selection mechanism
4. General Packet Radio Service
5. Plural of locus
6. A VSWR killer in coaxial cables
7. Calibrate a meter so that it shows a value of zero when zero is being measured
8. Chemical symbol for radon
12. Low- to mid- frequency connectors
14. Electrical safety organization (abbr.)
16. Change connector type
17. Television Interference (abbr.)
19. A common lamp tube gas
20. Unit of capacitance (abbr.)
22. Type of aircraft dope
23. Means or path by which a radio signal travels from a transmitting station to a receiving station
27. Filter type (abbr.)
28. Switch position
29. NIST radio station (broadcasts time signals)
32. Generated an official engineering change document
36. Electromagnetic (abbr.)
37. Chemical symbol for molybdenum
39. Synchronous Digital Hierarchy
41. Positive voltage lead color
42. Chemical symbol for manganese
44. Adjust a pot
45. Cellular Digital Packet Data
46. Special diode type that can be switched (abbr.)
48. A common battery cell size
50. Used a 2-part adhesive to join two components
51. Chemical symbol for gadolinium
53. Signal-to-noise ratio (abbr.)
55. Summed
59. Unit of typing speed (abbr.)
60. Mr. de Forest's first name
61. Prefix for 10 ^ -18
63. Type of component package (abbr.)
64. Form/fit/function replacement
66. It can follow an MS
67. Return-to-Zero (abbr.)
71. Sharp bend in I-V curve
73. Switch configuration (abbr.)
75. Chemical symbol for strontium
77. Sound frequency in the human hearing range (abbr.)
78. Broadband Signal Intrusion (abbr.)
82. Chemical symbol for ruthenium
83. Chemical symbol for thallium
84. Method of connecting redundant power supplies
85. Stock symbol for Boeing



See solution below










RF Cafe - Science &  Engineering Crossword Puzzle Solution, March 20, 2011