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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.
ACROSS1. Inventor of the high voltage generator
that powers the Jacob's Ladder (2 wds.) 11. Ham's code for "You are excused from the net." 12. Centimeter
(abbr.) 13. Mate to an RX 14. Archaic Japanese unit of length equal to 30.3 mm 16. Logic family 18.
Attenuator topology (pl.) 20. Opposite of a source
22. Chemical symbol for aluminum 24. Chemical symbol for arsenic 26. Automated Test Equipment (abbr.)
28. Chemical symbol for strontium 29. Coefficient of temperature (abbr.) 30. One type of electron spin
32. Direct Memory Access (abbr.) 34. Filter type (abbr.)
36. Electronic Variable Optical Attenuator (abbr.) 38. Semiconductor On Insulator (abbr.)
39. A BPF specification (abbr.) 40. Greek letter used for coefficient of reflection 43. Electromagnetic
(abbr.) 45. Last statement in a BASIC program 46. Oscillator type that is referenced to an external source
(abbr., pl.) 48. Compound used as the frequency determining element in microwave oscillators 49. Gun
safety and education organization (abbr.) 51. Cooling devices 53. Chemical symbol for holmium 54. Logic
family (abbr.) 55. ___, manufacturer of custom RF & microwave filters, Overland Park, KS (abbr.) 56. Unit
of length (abbr.)
57. Russian space probes which visited Halley's comet 59. Original Equipment Manufacturer (abbr.) 61.
Digital transmission figure of merit (abbr.) 62. Mr. Dirac's first name
64. Lubricant 65. Chemical symbol for mendelevium 67. Narrowband Advanced Mobile Phone System (abbr.)
69. Local Oscillator (abbr.) 70. Type of memory 72. Increase voltage linearly 74. Transmit Incremental
Tuning (abbr.) 76. Special diode type that can be switched (abbr.) 78. 10^-12 numerical prefix 79.
Network department (abbr.) 80. Analog-to-Digital (abbr.) 82. Applied Computational Sciences, RF simulator
company in Escondido, CA (abbr.)
84. Chemical symbol for cadmium 85. Galilean moon 86. Cellular Digital Packet Data
88. Change connector type 89. Total Access Communication System (abbr.) 91. Gallium nitride chemical
symbol 93. Collection of electronic records (abbr.) 94. Sound frequency in the human hearing range (abbr.)
95. Lowest power level capable of being demodulated (abbr.)
97. Highest frequency at which a vertically incident radio wave will return from the ionosphere (2 wds.)
DOWN1. Chemical symbol for radon
2. Optical cross-connect (abbr.) 3. Official engineering change document (abbr., pl.)
4. Common average used for sinewaves (abbr.) 5. Advanced Research Projects Agency (abbr.)
6. RF ____, RF/microwave consulting company in Rochester, NY 7. A common RS-232 serial bus command (abbr.)
8. x, y, or z on Cartesian coordinates 9. Modem encoding method (abbr.)
10. Upper frequency (abbr.) 11. Type of antenna with four-sided loops (pl.) 15. Rechargeable battery type
(abbr.) 17. ELI the ICE ___ 19. Basic element 21. The design component of total product cost (abbr.)
23. Open-______ or closed-______ system 25. Type of modulation (abbr.) 27. Internet protocol (abbr.)
29. Unit of weight (pl.) 31. Mr. Röntgen's first name 32. Type of current 33. Formerly HP Test &
Measurement 34. Grouping of wires or cables 35. Chemical symbol for iron 37. Kind of tube containing a
constriction that is used to measure the rate of flow of a fluid 39. Start frequency (abbr.) 41. Chemical
symbol for silver 42. Chemical symbol for manganese 44. 300 kHz to 3 MHz 47. Numerical basis for
decibels (abbr.) 48. Elemental compound used for microwave frequency reference oscillators (abbr.) 50.
Powers pneumatic devices 52. Colorado Springs military school (abbr.) 57. Circuit element connecting PCB
layers (pl.) 58. Modulation type (abbr.) 60. 1/000 of an amp (abbr.) 61. Filter type that blocks
frequencies below and above a specified band (abbr.)
62. Chemical symbol for polonium 63. Plural of locus 64. Using a logical connection scheme for redundant
power supplies 66. Ham abbreviation for "distant station" 68. ____ Electronics - RF/microwave components
manufacturer in Denville, NJ 69. Chemical symbol for lawrencium
71. Mars has two of these 73. Attenuator 75. Network department (abbr.) 77. European equivalent to the
U.L. 78. Personal Digital Cellular 81. Switch configuration (abbr.)
82. Asynchronous Digital Subscriber Line (abbr.) 83. Longitudinal shape-forming structural element 84. RF
____, the world's best engineering website 86. Carrier-to-noise ratio (abbr.)
87. Antenna gain unit (abbr.) 89. Greek letter 90. Miniature RF connector 92. Type of current flow
(abbr.) 96. Chemical symbol for dysprosium
See solution below
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