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For the sake of avid cruciverbalists amongst us, each week I create a new crossword puzzle that has
a theme related to engineering, mathematics, chemistry, physics, and other technical words. You will
never be asked the name of a movie star unless he/she was involved in a technical endeavor (e.g., Hedy Lamarr). Enjoy!
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words
1. A feed line with two conductors having equal but opposite voltages, with neither conductor at ground
potential (2 wds.)
12. Gigantic star in Cetus
13. The "O" in ROM
14. Front end of a rocket
16. PC follower
18. Test point (abbr.)
20. With 29 Across, this website's title
22. Type of
current
23. Chemical symbol for beryllium
24. Greek letter
26. Automatic Testing, Evaluation &
Reporting (abbr.)
29. With 20 Across, the world's best engineering website
31. Stock symbol for
Harris Communications
32. Communications pairing between transmitter and receiver
34. Colorado
Springs military school (abbr.)
35. Readability, Signal, and Tone (QoS report type)
36. One factor
of a polynomial
37. Amateur radio abbreviation for the Oceania region (abbr.)
38. Intel x86 command
for " jump if above"
40. Type of high frequency diode (abbr.)
43. Unit of inductance (abbr.)
44. Chemical symbol for arsenic
45. Mass unit (abbr.)
47. Deutsche Industrie Normenausschuss
49. Chemical symbol for arsenic
50. High-speed logic family
52. Analog-to-Digital (abbr.)
53.
Chemical symbol for iron
54. Printer output resolution unit (abbr.)
55. Ratio of circumference
to diameter
56. Radio Amateurs of Canada (abbr.)
57. Type of current flow (abbr.)
58. Greek
letter
59. Unit of time (abbr.)
60. PCB interconnects
63. Chemical symbol for californium
65. Modulation type (abbr.)
67. Target indication on a radar display
69. Add solder to tip of
iron
70. Wire diameter unit (abbr.)
72. An overcurrent protection device
74. Stock symbol for
Advanced Micro Devices
75. Electronic Variable Optical Attenuator (abbr.)
76. Computer Assisted
Design and Development
78. Push to Talk (abbr.)
79. Unit of time (abbr.)
80. Time delay (abbr.)
81. Chemical symbol for tin
83. Chemical symbol for erbium
85. Chemical symbol for selenium
86. Unit of energy (pl.)
88. High electron mobility transistor
90. Move in a raster pattern
91. Ability of a substance to store electrical energy in an electric field |
1. The "B" in BER
2. Advanced Research Projects Agency (abbr.)
3. Chemical symbol for lanthanum
4. Chemical symbol for nobelium
5. Carrier-to-noise ratio (abbr.)
6. 30 Hz to 300 Hz
7. Chemical
symbol for dysprosium
8. One port of an amplifier
9. Current summing point
10. A keyboard key
11. Monte-_____ analysis
15. Determines proper functionality
17. Circuit substrate type where
conductors and passive components are 'screened' on and fired (2 wds., pl.)
19. Term for the sharpness
of a displayed image
21. Electron beam pattern method used in CRTs (2 wds.)
23. Transmits a signal
25. Switch position
27. Chemical symbol for tantalum
28. Type of data storage IC
29. Type of
computer display (abbr.)
30. Unit of length (abbr.)
31. Chemical symbol for holmium
33. Unit
for 1,000 watt-seconds (abbr.)
36. Chemical symbol for rhodium
39. Type of data conversion device
(abbr., pl.)
41. International phonetic alphabet letter "P"
42. Application Specific Integrated
Circuit (abbr.)
43. Type of programmable device (abbr.)
46. Electronics manufacturer with "meatball"
logo
48. Internet protocol (abbr.)
51. Chemical symbol for calcium
52. A common battery cell
size
58. 8 GHz to 12.5 GHz
59. Min-to-max voltage of a waveform (abbr.)
61. Rádio Nacional
de Angola (abbr.)
62. Science of assuring operation amid dense EM background noise (abbr.)
64.
Small unit of capacitance (abbr.)
66. Metric length unit
68. Opposite of O.D.
69. Boob tube
(abbr.)
71. Chemical symbol for mendelevium
73. One type of electron spin
75. Enhanced Datarates
for Global Evolution
77. Digital Enhanced Cordless Telephone
80. Total radiated power (abbr.)
81. Adjust a pot
82. Nordic Mobile Telephone
84. Straight line emanating from a point source
87. Chemical symbol for strontium
88. Opposite of a LO
89. Semiconductor and calculator company
(abbr.)
90. Chemical symbol for silicon |
See solution below
 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.
2021 | 2020
| 2019 | 2018
| 2017 | 2016
| 2015 | 2014
| 2013 | 2012
| 2011 | 2010
| 2009 | 2008
| 2007 | 2006
| 2005 | 2004
| 2003 | 2002
| 2001 | 2000
| Sudoku
December 25
December 18
December 11
December 4
November 27
November 20
November 13
November 6
October 30
October 23
October 2
September 25
September 18
September 4
August 28
August 21
August 14
August 7
July 31
July 24
July 17
July 10
July 3
June 26
June 19
June 12
June 5
May 29
April 10
March 20
March 13
March 6
February 28
February 21
February 7
January 31
January 24
January 17
January 10
January 3
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