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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
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. Threaded fastener
7. Flip-flop control input
12. Mathematical function
used to divide a given function or continuous-time signal into different frequency components
13. Minutes of
Use (abbr.)
15. 1/000 of an amp (abbr.)
18. Chemical symbol for gadolinium
19. Capture leading edge of
a signal
21. Its chemical symbol is Cm
23. Front edge of a wing (abbr.)
24. A common RS-232 serial bus
command (abbr.)
25. Error checking scheme (abbr.)
26. Galilean moon
27. Satellite TV system
28. Has
a positive phase wrt a reference
30. Half of a DIP
32. Radio receiver scheme which mixes a second frequency
(LO) with the incoming radio signals
33. End of soldering iron
34. Unit of time (pl.)
37. Crystal filter
type (abbr.)
40. Band between RF and BB
41. Unit of resistance
43. Network file transfer protocol (abbr.)
44. Chemical symbol for gallium
45. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)
46. A line on a map which joins points of equal pressure
47. Chemical symbol for arsenic
48. Chemical symbol
for palladium
49. 10 decibels
51. Equation
54. Half of the diameter (pl.)
55. What you can get from
a high voltage line |
2. Pure carrier (abbr.)
3. Aircraft tracking system (pl.)
4. 1.602E-19 Joules
5. Sets of 5 work days
6. Reduction of receiver sensitivity due to overload from a nearby transmitter
8.
1/6 inch printer's measure
9. One port on a FET
10. Chemical symbol for europium
11. The "S" in SOIC
14. Type of semiconductor construction used in RF power amplifiers (abbr.)
16. Automated Test Equipment (abbr.)
17. U.S. Spectrum allocation agency
18. A common use for radar
20. A common RS-232 serial bus command (abbr.)
22. Internet address (abbr.)
29. Lowest operational frequency of a waveguide (pl.)
30. Adjust a pot
31.
Peak envelope power (abbr.)
34. _____ Percy Maxim, founder of the ARRL
35. Moved from cell to cell
36.
3 GHz to 30 GHz
37. Official Space Shuttle designation (abbr.)
38. Manned rocket series that went to the
moon
39. 36 inches (pl.)
42. Akin to EEs, CEs, AEs, etc.
43. Thin layer of material deposited a surface
(pl.)
44. Key feature in a high level overvoltage protection device
49. Stock symbol for Boeing
50. Chemical
symbol for lithium
52. Unit of inductance (abbr.)
53. Type of current flow (abbr.) |
See solution below
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