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 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.
2024 | 2023
|2022 | 2021
| 2020 | 2019
| 2018 | 2017
| 2016 | 2015
| 2014 | 2013
| 2012 | 2011
| 2010 | 2009
| 2008 | 2007
| 2006 | 2005
| 2004 | 2003
| 2002 | 2001
| 2000
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.
December 28
December 21
December 14
December 7
November 30
November 23
November 16
November 9
November 2
October 26
October 19
October 12
October 5
September 28
September 21
September 14
September 7
August 31
August 24
August 17
August 10
August 3
July 27
July 20
July 13
July 6
June 29
June 22
June 15
June 8
June 1
May 25
May 18
May 11
May 4
April 27
April 20
April 13
April 6
March 30
March 23
March 16
March 9
March 2
February 23
February 16
February 9
February 2
January 26
January 19
January 12
January 5
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
1. Vacuum tube element placed between control grid and plate in a pentode (2 wds.)
7. Chemical symbol
for selenium
8. Electromechanical apparatus used to turn an antenna (pl.)
10. Chemical symbol for argon
12. Part of a FOR loop
13. Amateur Radio Emergency Service (abbr.)
16. Decibels above or below a dipole
antenna (abbr.)
17. Automatic network analyzer (abbr.)
19. Dielectric material used to form a hermetic
seal for thru-wall conductors
22. Straight line joining the center of a circle to the circumference
26.
Stock symbol for Microsoft
28. Create a power supply output w/o a ground reference
30. Chemical symbol
for helium
31. Common average used for sinewaves (abbr.)
34. Unit for 1,000,000 watt-seconds (abbr.)
36. Co-channel rejection ratio (abbr.)
37. Online service
38. Mr. Tesla's first name
39. Type of high
frequency diode (abbr.)
41. Small unit of capacitance (abbr.)
42. Fail-____ switch
44. Negative temperature
coefficient (abbr.)
45. Chemical symbol for polonium
46. Chemical symbol for lead
48. Filter type that
blocks lower frequencies (abbr.)
49. Frequency at which XL = XC
54. ____RF, passive RF component manufacturer
in Huntersville, NC
55. A common battery cell size
58. Dual Tone Multi-Frequency
59. Army-Navy specification
prefix
61. Software engineering tool (abbr.)
63. Compound used in vacuum tube to reduce trace elements
of gas (pl.)
64. With 53 Down, part of this website's title |
2. One factor of a polynomial
3. Unit of time (abbr.)
4. Equipment
5. Deutsche Industrie Normenausschuss
6. Pulse used to initiate a circuit action
9. Unit of length equal to 5.5 yards (pl.)
11. A disk operation
13. Agilent's EE design software (abbr.)
14. Chemical symbol for tin
15. 36 inches
18. A non-commercial
radio service as set by a recognized cognizant government agency (2 wds.)
20. Digital storage oscilloscope
(abbr.)
21. Stock symbol for Lockheed Martin
23. Asynchronous Transfer Mode (abbr.)
24. Band between
RF and BB
25. FCC's Universal Licensing System (abbr.)
27. Unit of inductance (abbr.)
29. Computer
character set (abbr.)
31. Vaccum tube type that permits current flow in only one direction
32. Miniature
threaded RF connector
33. Vacuum tube with three electrodes
35. German astronomer who developed a mathematical
relationship between planetes and distance from sun (2 wds.)
38. National Television System Committee (abbr.)
40. 300 kHz to 3 MHz
43. Chemical symbol for francium
45. Min-to-max voltage of a waveform (abbr.)
46. Greek letter
47. Ham's code for "Answer in prearranged order."
48. Vacuum tube element that causes
free electrons for current flow
50. 1.602E-19 Joules
51. 1e-6 mA
52. Software drafting tool (abbr.)
53. With 64 Across, the world's best engineering website
56. Yttrium Aluminum Garnet
57. Precision approach
radar (abbr.)
60. Chemical symbol for neon
61. European equivalent to the U.L.
62. Chemical symbol
for einsteinium |
See solution below
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