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RF Cafe Engineering Crossword Puzzle w/Weekly Headlines
December 17, 2017

At least 10 clues in this puzzle with an asterisk (*) are pulled from this past week's (12/11 - 12/15) "Tech Industry Headlines" column on the RF Cafe homepage. For the sake of all the avid cruciverbalists amongst us, each week I create a new technology-themed crossword puzzle using only words related to engineering, science, mathematics, chemistry, physics, astronomy, etc. Enjoy!

cruciverbalist: [noun]  cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs crosswords.

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

RF Cafe Engineering Crossword Puzzle w/Weekly Headlines December 17, 2017

1. _____ Tells BT to Speed up Investment in Full Fibre *
5. Ceramic Dual Inline Package
10. Maximum distances in orbits around the sun
16. Most protruding part of planetary rings as seen from distance
17. Ham abbreviation indicating contacts with all major land masses
18. Chemical symbol for helium
20. Used logic gates
21. Local Oscillator (abbr.)
23. Chemical symbol for silicon
25. Type of logic gate
26. Chemical symbol for tantalum
28. Software engineering tool (abbr.)
29. Chemical symbol for tin
30. 1 GHz to 2 GHz
33. Airport Surveillance Radar (abbr.)
34. Abbreviation for "power"
36. Former NASA Administrator to Head DOD ____ Research *
37. Sudden, brief increase in wind speed
38. Organization for former military members
39. Dimension from wing LE to TE
41. Abbreviation for acknowledge (also a common word used by Bill the Cat)
43. Manufacturer of project boxes
44. Chemical symbol for lithium
45. As Wide Bandgap Technology Rises, a New _____ Committee Kicks Off *
47. Your __________ as Medicine: Digital Therapy Here to Stay *
50. Decimeter (abbr.)
53. Chemical symbol for nickel
54. Researchers Report New Way to Make __________ Electronics *
59. Things in a bill of material
62. Army-Navy specification prefix
64. Filter type (abbr.)
65. Keyboard key
66. Enhanced Graphics Adapter
67. Sets of poles
70. Unit of admittance
71. Opposite of I.D.
73. Miniature threaded RF connector (pl.)
75. Below ELF
76. Country of RF Cafe's residency
77. 18 GHz to 26.5 GHz
78. Multifunctional silicon devices (abbr.)
79. Exponent that returns the original number
81. Chemical symbol for arsenic
83. Television Interference (abbr.)
84. One port of an amplifier
85. Chemical symbol for einsteinium
88. Electron beam particle
90. Chemical symbol for gold
91. Ham's code for "Your net frequency is Low."
93. Move from cell to cell
95. Maximum value attained by a signal waveform (2 wds.)
96. Amount of deviation from nominal and still being within specification
97. _____ Directs NASA to Return to the Moon, Then Aim for Mars *
1. Lubricant
2. Chemical symbol for calcium
3. Just entering the nonlinear region
4. Degree of IC sophistication (abbr.)
6. Modern battlefield technique (abbr.)
7. Navy's $500M Electromagnetic _______ Will Likely Never See Combat *
8. Type of current
9. Name for a voltage that appears in an electrical conductor such as a wire, even though the wire is disconnected from an electrical circuit
11. Change out a plug-in module while power is still applied (2 wds.)
12. Chemical symbol for erbium
13. Semiconductor lamp
14. Opposite of O.D.
15. Chemical symbol for scandium
19. Last statement in a BASIC program
22. Amateur radio abbreviation for the Oceania region (abbr.)
24. Ham's code for "Your net frequency is High."
26. Base of the binary number system
27. Ham radio organization (abbr.)
29. Society of Civil and Structural Engineers (abbr.)
31. Manufacturer of project boxes
32. Chemical symbol for arsenic
33. Sound frequency in the human hearing range (abbr.)
34. Unit of inductance (abbr.)
35. As Wide _______ Technology Rises, a New JEDEC Committee Kicks Off *
38. Aircraft navigation system (abbr.)
39. Inductor used to block RF signals
40. Supreme Court Considers Cellphones and _______ Privacy *
42. Unit for 1,000 watt-seconds (abbr.)
46. The "D" in CD (pl.)
48. Modulation type (abbr.)
49. Time delay (abbr.)
51. International phonetic alphabet letter "A"
52. Semiconductor and calculator company (abbr.)
55. Mathematical relationship of voltage, resistance, and current in a circuit (2 wds.)
56. Variable Frequency Oscillator
57. Its chemical symbol is Nb
58. Fusing metals together using heat
60. ____ Speeds Opening of China Fab *
61. Chemical symbol for selenium
63. American space agency (abbr.)
68. Precision landing system (abbr.)
69. Part of this website's title
72. 10E1 numerical prefix
73. Half of a DIP
74. System for underwater navigation
77. Large unit of apparent power (abbr.)
80. BS__ - the degree held by many RF Cafe visitors
82. Peak envelope power (abbr.)
84. Walmart Calls for Sub-$1 ___ Sensor *
86. Half of a DIP
87. Test point (abbr.)
88. Chemical symbol for berkelium
89. Part of a FOR loop
91. Type of matrix barcode used with laser scanning(abbr.)
92. Chemical symbol for lithium
94. Greek letter (micro)

Answer below


2017 Crosswords Archive
2018 | 2017 | 2016 | 2015 | 2014 | 2013 | Sudoku
(contact me if you need a prior crossword - they go back to 2002)
December 31
December 24
December 17
December 10
December 3
November 26
November 19
November 12
November 5
October 29
October 22
October 15
October 8
October 1
September 24
September 17
September 10
September 3
August 27
August 20
August 13
August 6
July 30
July 23
July 16
July 9
July 2
June 25
June 18
June 11
June 4
May 28
May 21
May 14
May 7
April 30
April 23
April 2
March 26
March 19
March 12
March 5
February 26
February 19
February 12
February 5
January 29
January 22
January 15
January 8
January 1
















Engineering Crossword Solution w/Weekly Headlines December 17, 2017

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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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