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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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