For the sake of avid cruciverbalists amongst us, each week I create a new crossword puzzle that has a theme related to engineering, mathematics,
chemistry, physics, and other technical words. You will never be asked the name of a movie star unless he/she was involved in a technical endeavor (e.g., Hedy Lamarr). Enjoy!
Reproduction of this puzzle without the express permission of RF Cafe is prohibited. acr. = acronym, abbr. = abbreviation,
pl. = plural, wds. = words

1. Large unit of apparent power (abbr.) 4. Monte-_____ analysis 9. Automatic Calibration System (abbr.) 12. Alternative name for a
pi meson 13. System for underwater navigation 14. Describes when a synchronous motor loses phase lock 16. Oscillator type that is referenced
to an external source (abbr., pl.) 17. Chemical symbol for chlorine 18. Electronics manufacturer with "meatball" logo 19. Telecommunications
Information Network Architecture (abbr.) 20. The "M" in EMF 23. Did a total memory transfer 25. Broadband Signal Intrusion (abbr.)
27. Largest moon of Saturn 28. Permeability-tuned oscillator (abbr.) 29. Observed rule 31. Large-value resistor connected across the
filter capacitor in a power supply to discharge the filter capacitors when the supply is turned off (2 wds.) 32. Base of the octal number
system 34. Circuit element connecting PCB layers 36. Type of electrical ground obtained by sinking a metallic rod into the soil 37.
Type of data conversion device (abbr.) 38. Creating a corona 43. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)
48. 12 inches 49. Chemical symbol for palladium 51. Chemical symbol for polonium 52. Official engineering change document (abbr., pl.)
53. Material used in the center of an inductor coil 54. A type of coaxial cable (aka 'hardline') 56. Type of high frequency circuit substrate
(abbr.) 57. Time Division Multiplexing 58. Send junk e-mail 59. Family of ICs with a certain component density level (abbr.) |
1. International phonetic alphabet letter "K" 2. Electrical unit of potential difference 3. Primary U.S. standards organization founded
in 1918 (abbr.) 4. Certificate of Successful Completion of Examination (abbr.) 5. Online service (abbr.) 6. Chemical symbol for radon
7. Be behind in phase 8. Used logic gates 9. Material testing organization (abbr.) 10. Short video segment 11. Trigonometric function
equal to the ratio between the side opposite a given angle, and the hypotenuse 12. Parts per million (abbr.) 15. Attenuator 21. Virtual
Private Network 22. Chunks of space rocks 24. Country of RF Cafe's residency 25. Filter type that blocks frequencies below and above
a specified band (abbr.) 26. Galilean moon 27. Structure of columns and rows 30. Change from one thing into another 33. Add solder
to tip of iron 34. Unit of apparent power (abbr.) 35. Type of current flow (abbr.) 36. 30 GHz to 300 GHz 38. Scheme to maintain
proper frequency (abbr.) 39. One factor of a polynomial 40. Lacing ____, for bundling cables 41. Thing in a bill of material 42.
General Packet Radio Service 43. Unit of length equal to 5.5 yards (pl.) 44. Wireless phone region 45. Advanced Communication Technologies
and Services (abbr.) 46. An ellipse has two of them 47. A keyboard key 50. SIP x 2 51. Spurious RF products created by metal joints
(abbr.) 55. Chemical symbol for gallium |
See solution below
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.
2021 | 2020
| 2019 | 2018
| 2017 | 2016
| 2015 | 2014
| 2013 | 2012
| 2011 | 2010
| 2009 | 2008
| 2007 | 2006
| 2005 | 2004
| 2003 | 2002
| 2001 | 2000
| Sudoku
December 25 December 18 December 11 December 4
November 27
November 20
November 13
November 6
October 30 October 23 October 2 September 25 September 18 September 4
August 28
August 21
August 14
August 7
July 31
July 24
July 17
July 10
July 3
June 26
June 19
June 12
June 5
May 29
April 10
March 20
March 13
March 6
February 28
February 21
February 7
January 31
January 24
January 17
January 10
January 3

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