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2010 Engineering & Science Crossword Puzzles
 Take a well-deserved break and try 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.
2023 |2022 | 2021
| 2020 | 2019
| 2018 | 2017
| 2016 | 2015
| 2014 | 2013
| 2012 | 2011
| 2010 | 2009
| 2008 | 2007
| 2006 | 2005
| 2004 | 2003
| 2002 | 2001
| 2000 |
Sudoku
Cruciverbalist: A cruciverbalist is a person who is skilled at creating or solving crossword
puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross,
and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they
possess a deep knowledge of wordplay, vocabulary, and the techniques used in
constructing and solving crosswords. They aim to make puzzles that are both
challenging and enjoyable for crossword enthusiasts.
- 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. 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.)
DOWN 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
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