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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. _______ ____ - popular author on RF filter design (first & last name)
9.
Unit of resistance
10. Engineering Change Order (abbr.)
11. Rádio Nacional de Angola (abbr.)
12.
Chemical symbol for gadolinium
13. Chemical symbol for lead
17. Chemical symbol for iron
19. Part of
a FOR loop
21. Merrill ________ - popular author on radar system amplifier design
23. Type of component
package (abbr.)
24. Quantity to which others are compared
27. Chemical symbol for xenon
29. Temporary
Engineering Change document (abbr.)
31. ____ Lamar, Hollywood actress with first patent for spread spectrum
communications
32. Unix, Linux or Windows (abbr.)
33. Chemical symbol for magnesium
37. Voice of
America
38. Unit of inductance (abbr.)
39. Common cross-sectional shape of a high gain antenna
43.
Cause a circuit breaker to open
44. Component around which wire is wrapped to make an inductor
47. James
______ - popular author on electromagnetics simulators
49. Aerodynamic opposition to thrust
51. Applies
too large of a signal
56. Chemical symbol for dysprosium
57. ELI the ICE ___
58. Test point (abbr.)
59. Chemical symbol for silicon
60. Stephen ____ - popular author on microwave circuit design
61.
Carrier-to-noise ratio (abbr.)
66. Chemical symbol for silver
67. Which geometrical figure has four
sides of which only two are parallel
71. Centimeter (abbr.)
72. Filter type that rejects high
frequencies
74. Chemical symbol for cobalt
75. Equalizer (abbr.)
76. Chemical symbol for polonium
78. Unit of time (abbr.)
79. IC socket type for easy insertion & removal (abbr.)
82. Transformer
interwinding connection
84. Intermodulation distortion (abbr.)
86. _____ ______ - popular author on RF
amplifier design (first & last name) |
1. Chemical symbol for rhodium
2. Unit of current
3. Morse Code for
"from"
4. An angle that has less than 90 degrees
5. Local Oscillator (abbr.)
6. Chemical symbol for
ruthenium
7. Chemical symbol for erbium
8. It has units of degrees or radians
9. Opposite of I.D.
12. Electronics manufacturer with "meatball" logo
14. The UK's largest defense electronics contractor
(abbr.)
15. Chemical symbol for berkelium
16. Characteristic of a system that produces no new frequency
content
17. Type of modulation (abbr.)
18. BS__ - the degree held by many RF Cafe visitors
20.
Exponent that returns the original number
21. Adjust a pot
22. Optical cross-connect (abbr.)
23.
_____ _____ - popular author on engineering situations (first & last name)
25. Small unit of capacitance
(abbr.)
26. One component of a complex number (abbr.)
28. Its chemical symbol is Dy
30.
Electromagnetic interference (abbr.)
31. Having power applied (slang)
33. Unit of admittance
34. A
common battery cell size
35. Chemical symbol for tantalum
36. Chemical symbol for molybdenum
38.
Constellation : The greater bear (4,5)
39. Chemical symbol for palladium
40. The "R" in DRC in substrate
layout (singular form)
41. Inda ____ - popular author on RF filters
42. Constellation : The lyre
45.
Multifunctional silicon devices (abbr.)
46. Chemical symbol for gallium
47. Type of flip-flop
48.
User Datagram Protocol
50. One state of matter
52. Virtual Private Network
53. Part of this website's
title
54. Shorthand for oxygen
55. Ham abbreviation for "distant station"
61. Early computer display
screen resolution (abbr.)
62. A common RS-232 serial bus command (abbr.)
63. Ham abbreviation indicating
contacts with all major land masses
64. Chemical symbol for helium
65. Opposite of a LO
66. Nearest
and furthest points to the center of gravitational attraction for a body in orbit (pl.)
68. David ____ -
popular author on microwave engineering
69. Compress a computer file
70. Electrical safety organization
(abbr.)
71. "Calling any amateur radio station"
73. Chemical symbol for antimony
75. Chemical symbol
for einsteinium
77. Output intercept point (abbr.)
78. Chemical symbol for neodymium
80. Unit of
length (abbr.)
81. Boob tube (abbr.)
82. Coefficient of temperature (abbr.)
83. Ratio of
circumference to diameter
85. 1E6 nanoseconds |
See solution below
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