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May 2, 2010 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.

2010 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.

- 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.

RF Cafe - Engineering and Science Crossword Puzzle, May 2, 2010


1. Computer monitor cable type (abbr.)
4. Circuit theorem stating that the effects of multiple individual sources may be summed to yield overall response
14. Antenna radiated power measurement (abbr.)
16. Unit of inductance (abbr.)
17. Brand of hobby knife
18. Radio frequency interference (abbr.)
19. Chemical symbol for californium
20. Attenuator
22. Type of current
23. Chemical symbol for lutetium
25. Power amplifier & antenna company in Ronkonkoma, NY (3-letter abbr.)
26. Wavelength division multiplexing (abbr.)
27. Opposite of O.D.
29. Chemical symbol for mercury
31. Short for terminal
34. Stock symbol for Lockheed Martin
36. Custom metal parts (shields, etc.) etching company located in Chicago, IL
37. Periodic waveform with vertical leading edges and sloped trailing edges
38. One port of an amplifier
40. Chemical symbol for chromium
41. Dull solder connection
43. Area on a shaft for accommodating a setscrew
45. Electronics Industry Association (abbr.)
48. Chemical symbol for argon
49. Digital Enhanced Cordless Telephone
52. Unit of time (abbr.)
53. _____ delay, which describes the time taken for information to pass through a circuit element
55. Substrate for mounting component (abbr., pl.)
57. Aerodynamic opposition to thrust
59. One bit of a real number
60. Internet protocol (abbr.)
61. A common battery cell size
62. Quantum electron properties
63. Filter type (abbr.)
64. Method of connecting redundant power supplies
65. Computer Assisted Design and Development
67. BlackBerry or Jordana for example (abbr., pl.)
68. Amateur Radio Emergency Service (abbr.)
69. Logic gates
71. Chemical symbol for palladium
72. Complex Instruction Set Computer
74. Chemical symbol for thallium
75. Flash, caused by an electric current ionizing a gas or vapor
76. BASIC program command
78. Growth on a crystalline substrate of a crystalline substance that mimics the orientation of the substrate
80. Last stage in a transmitter (abbr.)
82. European equivalent to the U.L.
83. A natural or synthetic compound of usually high molecular weight consisting of up to millions of repeated linked units
85. Type of propagation above 30 MHz by means of refraction by highly ionized regions around the Earth’s poles
87. Parts per million (abbr.)
88. Forerunner to NASA
90. Chemical symbol for molybdenum
91. Chemical symbol for nobelium
92. Millennial calamity that wasn't
93. Portion of a circle
95. 1/000 of an amp (abbr.)
97. Unit of inductance (abbr.)
98. Gun safety and education organization (abbr.)
99. Chemical symbol for erbium
100. Unit of weight
102. Object orientated programming term
106. Analog-to-Digital (abbr.)
107. ____ Electronics - RF/microwave components manufacturer in Denville, NJ
109. The "C" in CMOS
110. Volt-ohmmeter (abbr.)


1. Electrical process that converts alternating current into direct current
2. Image file format name extension
3. Chemical symbol for bromine
4. Metal or plastic rod that connects a potentiometer wiper to a knob
5. Unit of capacitance (abbr.)
6. Mate to a TX
7. Plane curve traced out by a point which moves so that its distance from a fixed line is equal to its distance from a fixed point (pl.)
8. Amateur radio abbreviation for the Oceania region (abbr.)
9. _______ Microwave, SSPA manufacturer in Trenton, NJ; also a type of jet fighter
10. Galilean moon
11. Infrared (abbr.)
12. Orthogonal frequency-division multiplexing (abbr.)
13. ___, manufacturer of custom RF & microwave filters, Overland Park, KS (abbr.)
15. Oscillator type that is referenced to an external source (abbr.)
16. Computer monitor resolution measure (abbr.)
21. Thread cutting tools
24. 300 MHz to 3 GHz
26. Weight (abbr.)
28. Impurity in a semiconductor that adds a mobile electron in the conduction band
30. PCB layout & fab company in Boynton Beach, FL
32. Radio Amateurs of Canada
33. Microwaves & RF magazine (abbr.)
35. Unit of inductance (abbr.)
39. Last keyword in a BASIC subroutine (pl.)
42. Test equipment (abbr.)
44. Cable termination type (pl.)
45. Unit of energy
46. Charged particle
47. Astronomical Unit (93e6 miles)
50. Cellular Digital Packet Data
51. Diac that can be turned back off
53. The plural of 2 down
54. A quadrilateral that has its opposite sides parallel
55. Attenuator (pl.)
56. Stock symbol for Boeing
58. Primary U.S. standards organization founded in 1918 (abbr.)
59. ________ Microwave, producer of RF/microwave passive & active components, and complete susbsystems
62. Switch configuration (abbr.)
63. Chemical symbol for lawrencium
65. Carrier-to-noise ratio (abbr.)
66. Type of data conversion device (abbr.)
68. Adjacent Channel Power Ratio (abbr.)
70. A common battery cell size
71. _________ Microwave, I/Q & SSB mixer products vendor in Bloomington, IN
73. Chemical symbol for selenium
74. Radio navigation system
77. Circuit path with very high or infinite impedance
79. Turn source into an executable file
81. Amateur Radio Association (abbr.)
83. Min-to-max voltage of a waveform (abbr.)
84. Move in a raster pattern
86. Type of memory
87. Max or min voltage of a waveform (abbr.)
89. Grouping of antennas
92. Stock symbol for Yahoo
94. Software drafting tool (abbr.)
96. Unit of atmospheric pressure (abbr.)
97. Coordinated Universal Time (abbr.)
99. Engineering Change Order (abbr.)
101. Home state of Los Alamos lab (abbr.)
102. Chemical symbol for chlorine
103. Modulation type (abbr.)
104. Chemical symbol for tin
105. Chemical symbol for calcium
108. 1.602e-19 Joules




See solution below

RF Cafe - Science & engineering crossword puzzle, May 2, 2010