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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
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| 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.
2. Adjusting relative timing of multiple signals
6. Idea
11. A keyboard
key
13. Ham's code for "Does my frequency vary?"
14. Type of current flow (abbr.)
15. Cabinet
manufacturer in Cheektowaga, NY
19. Chemical symbol for polonium
20. A common RS-232 serial bus command
(abbr.)
23. Type of memory
24. Heterojunction Bipolar Transistor
26. Semiconductor device type
(abbr.)
28. Pliers-like surgical tool used in the electronics lab
30. Notch type filter (abbr.)
33.
Adjust two signal to be exactly equal
35. Automatic Calibration System (abbr.)
36. Bipolar Field-Effect
Transistor
38. Low Noise Amplifier (abbr.)
39. Audio Frequency Shift Keying (abbr.)
40. International
phonetic alphabet letter "L"
41. The cell band above DCN
42. Software drafting tool (abbr.)
44. Early
computer display screen recolution (abbr.)
46. Specialized mobile radio (abbr.)
48. Scheme to maintain
proper frequency (abbr.)
49. Short for potentiometer
50. Move in a raster pattern
52. Chemical symbol
for argon
54. Local Oscillator (abbr.)
55. Charged particles
57. 2 x SSB
58. Telex-Over-Radio
(abbr.)
59. Enhanced Datarates for Global Evolution
60. PC follower
62. Weight (abbr.)
63.
Longitudinal shape-forming structural element
65. Signal-to-noise ratio (abbr.)
66. Send Morse Code
68. Half of a DIP
69. Antenna gain unit (abbr.)
70. A gaseous process that deposits insulating films or
metal onto a wafer at elevated temperature (abbr.)
71. Type of logic gate (pl.)
72. Orthogonal
frequency-division multiplexing (abbr.)
74. Open a fuse
75. Family of ICs with a certain component
density level (abbr.)
78. Connector vendor
81. Digital transmission figure of merit (abbr.)
83.
Waveform described by a Dirac delta function (pl.)
87. Stock symbol for National Semiconductor
88.
Wearing away of a surface
91. Hit a component with an electrostatic discharge
92. 30 MHz to 300 MHz
94. Network file transfer protocol (abbr.)
95. Logic family (abbr.)
96. Chemical symbol for gadolinium
98. Highlighted capability of a product
100. Electronics manufacturer with "meatball" logo
101. Color
quality
103. Programmable logic device (abbr.)
104. The "Y" in YAG
105. Occlusion of one heavenly
body by another |
1. Removes stored energy from a capacitor
3. Part of a screw that engages
the driver (pl.)
4. File name extension for an ASCII file
5. Chemical symbol for scandium
7. "Calling
any amateur radio station"
8. Effective Radiated Power (abbr.)
9. Image
10. _____ _____ - popular
author on engineering situations (first & last name)
12. Centimeter (abbr.)
15. Having power applied
(slang)
16. Modulation type (abbr.)
17. Unit of inductance (abbr.)
18. Logarithmic reflectivity unit
21. Temporary Engineering Change document (abbr.)
22. "Texting" (abbr.)
23. Chemical symbol for radium
25. Test equipment (abbr.)
26. 10 decibels
27. Prefix used on many MIL-SPEC components
29. The
sending of radio signals (pl.)
30. Chemical symbol for bismuth
31. Web's most popular radio frequency
engineering site (2 ltrs. + 1 wd.)
32. Chemical symbol for iron
34. The imaginary part of apparent power
(2 wds.)
36. Chemical symbol for berkelium
37. Chemical symbol for thallium
41. Early printer type (2
wds.)
42. Chemical symbol for calcium
43. Type of current
45. Under samples
47. Aircraft tracking
system
49. Computer I/O interfaces; i.e., USB, serial, parallel
51. Imaging device (abbr.)
53.
Readability, Signal, and Tone (QoS report type)
54. The "L" in VLF
56. Gun safety and education
organization (abbr.)
59. Filter circuit used to flatten group delay (pl.)
61. Puts on an even plane
64. S11 (2 wds.)
66. Unit of frequency (archaic, abbr.)
67. Yard (abbr.)
73. Unit of length (abbr.)
74. Armored cable type
76. Miniature threaded RF connector
77. Innovative Power Products, Holbrook, NY
(abbr.)
79. Switch position
80. 1/6 inch printer's measure
81. The "B" in BER
82. End of
transmission (abbr.)
84. Electromagnetic radiation in the visible spectrum
85. 1.602E-19 Joules
86. 3
GHz to 30 GHz
88. Automated Test Equipment (abbr.)
89. Filter type that blocks frequencies below and
above a specified band (abbr.)
90. Wheel attachment points
93. Chemical symbol for iron
94. Chemical
symbol for francium
97. Device under test (abbr.)
99. Semiconductor and calculator company (abbr.)
100. Key feature in a high level overvoltage protection device
102. Chemical symbol for erbium
103.
Ratio of circumference to diameter |
See solution below
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