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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 |
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.
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. Comic strip engineer
6. Electro-mechanical switching device (pl.)
10.
Bands between RF and baseband
11. Army-Navy specification prefix
13. Digital encoding of the transmission
mode in the vertical sync portion of an SSTV image (abbr.)
15. Type of current flow (abbr.)
17. Type of
e-mail address system (abbr.)
19. Chemical symbol for nickel
20. Chemical symbol for neptunium
21. Chemical
symbol for copper
22. Common shorthand reference for a capacitor
24. Reflected radar or sonar signal (pl.)
25. What a capacitor is used for regarding energy
26. Unit of inductance (abbr.)
28. Morse Code for "from"
30. A digital counter input line to establish an initial value
34. Web's most popular radio frequency engineering
site (2 ltrs. + 1 wd.)
38. Chemical symbol for xenon
39. More than one FET
40. Quantity obtained when
a row and column containing a specified element is removed from a square matrix
44. Device made by Nokia, Motorola,
Samsung, etc.
46. Any quadrilateral in which the opposite sides and angles are equal
48. RF engineer's degree
51. Opposite of a LO
52. Hydrogen, argon, neon, xenon, etc.
53. PC Card - with 68 pin interface
56. Decimeter
(abbr.)
58. Mate to a TX
60. Mathematics of angles
64. Reduce noise
67. Government program to bring
electricity to farms (abbr.)
68. Unix, Linux or Windows (abbr.)
69. Unit of time (abbr.)
70. Chemical
symbol for dysprosium
71. Numerical basis for decibels (abbr.)
74. Unit of frequency (archaic, abbr.)
75. Printer resolution abbreviation
77. Greek letter
78. Multifunctional silicon devices (abbr., pl.)
80. One tier of a PCB (pl.)
81. Its chemical symbol is Nb |
1. Trigger diode that conducts current only after its breakdown voltage has been
exceeded momentarily (pl.)
2. Chemical symbol for lithium
3. Beat frequency oscillator (abbr.)
4. Chemical
symbol for einsteinium
5. Connected to a transformer interwinding point
7. 1.602E-19 Joules
8. Geometric
entity with only length
9. Application Specific Integrated Circuit (abbr.)
12. Chemical symbol for nobelium
14. World's first satellite navigation system (abbr.)
16. Lowest operational frequency of a waveguide
18.
Parts per million (abbr.)
20. Front end of a rocket
22. Chemical symbol for calcium
23. Chemical symbol
for silver
27. Filter type that blocks lower frequencies (abbr.)
29. Integrated data onto a carrier wave
31. ______ inventory (what 2nd-hand components dealers seek)
32. Adjust a pot
33. Another word for each
complete winding of an inductor
35. European equivalent to the U.L.
36. Referring to atoms
37. Start
frequency (abbr.)
41. Switch position
42. Chemical symbol for iron
43. Cause a circuit breaker to open
44. Chemical symbol for polonium
45. Opposite of a LO
47. Unit of resistance
48. Stock symbol for Boeing
49. Chemical symbol for einsteinium
50. Type of reconfigurable memory (abbr.)
54. The "brains" of parallel
processing computers
55. Chemical symbol for argon
57. Amount of deviation from nominal and still being
within specification
59. Amateurese for "wife"
61. Front edge of a wing (abbr.)
62. Chemical symbol for
gallium
63. Provider of services for telecommunications systems in Switzerland
64. Ham's code for "Answer
in prearranged order."
65. Type of current
66. Enter data using the keyboard
72. Shorthand for oxygen
73. Substrate for mounting components (abbr.)
76. Infrared (abbr.)
78. Galilean moon
79. Chemical symbol
for silicon |
See solution below
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