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This custom RF Cafe electronics-themed crossword puzzle for December 17th contains
words and clues which pertain exclusively to the subjects of electronics, science,
physics, mechanics, engineering, power distribution, astronomy, chemistry, etc.
Given that today is the 17th day of the month, many words in this crossword
start or end (or contain) the 17th letter, "Q." Related clues are marked with an
asterisk (*). You might expect a few Ham
radio-related words and abbreviations in this one.
If you do see names of people or places, they are intimately related to the aforementioned
areas of study. As always, you will find no references to numbnut movie stars or
fashion designers. Need more crossword RF Cafe puzzles? A list at the bottom of
the page links to hundreds of them dating back to the year 2000. Enjoy.
Reproduction of this puzzle without the express permission
of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words
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1. An antenna constructed with both quad and
yagi elements *
6. "Calling any amateur radio station" *
7. Type of
antenna with four-sided loops (pl.) *
13. Screw feature that gives it holding
power
15. Lunar depression
17. 10E1 numerical prefix
18. Software
function selection mechanism
21. One component of a complex number (abbr.)
22. Multifunctional silicon devices (abbr., pl.)
24. An unlicensed radio band
in the U.S. often used for walkie-talkies (abbr.)
26. Unit of mass flow rate
(abbr.) *
27. Ham's code for "What is the correct time?" *
28. The
computer in 2001: A Space Odyssey
30. Radio signals from the cosmos (abbr.)
32. Network department (abbr.)
34. Chemical symbol for argon
36.
Coefficient of temperature (abbr.)
37. Semiconductor and calculator company
(abbr.)
38. Type of flip-flop
40. Attenuator configuration (pl.)
43.
Unit of time (abbr.)
44. Chemical symbol for tantalum
45. Third planet
from the sun
47. Filter type that blocks frequencies in a specified band
(abbr.)
48. Impurity in a semiconductor that adds a mobile electron in the
conduction band
50. Network file transfer protocol (abbr.)
53. Chemical
symbol for silicon
54. System On Chip
56. Type of component package
(abbr.)
58. Suppresses an oscillation *
61. Chemical symbol for manganese
62. Chart types
63. This calculus operation yields current through an
inductor
65. Type of leadless surface mount IC package (abbr., pl.) *
66.
Result of division *
70. Application Specific Integrated Circuit (abbr.)
72. Chemical symbol for tin
73. Network department (abbr.)
74.
Multifunctional silicon devices (abbr.)
75. Switch position
77. Chemical
symbol for francium
78. A line on a map which joins points of equal pressure
81. Sharp bend in I-V curve
83. Web's most popular radio frequency
engineering site (2 ltrs. + 1 wd.)
86. 10E1 numerical prefix
87. Start
frequency (abbr.)
88. Unit of time (abbr.)
90. One of four of in the
Cartesian coordinate system *
95. Internet protocol (abbr.)
96. Type of
current flow (abbr.)
98. Sound frequency in the human hearing range (abbr.)
100. Chemical symbol for radium
101. Finite-Element Model
103.
Asynchronous Communication Interface Adapter (abbr.)
105. Type of logic gate
107. Periodic waveform with vertical leading edges and sloped trailing edges
108. Packet of 10^6 sets of 8 digital "0" or "1" symbols |
1. Unit of liquid measure (abbr.) *
2. Unit
of inductance (abbr.)
3. Amateur Radio Direction Finding (abbr.)
4.
Equipment
5. State where teen techno-sleuths Carl and Jerry lived (abbr.)
7. Type of matrix barcode used with laser scanning(abbr.) *
8. Universal
Asynchronous Transmit/Receive (abbr.)
9. Automatic Testing, Evaluation &
Reporting (abbr.)
10. Morse Code for "from"
11. Chemical symbol for
strontium
12. Noise reducers *
14. Decimeter (abbr.)
15. Chemical
symbol for copper
16. Amateur radio operators trade these with each other
after making contact (2 wds.) *
19. Equalizer (abbr.) *
20. Home state of
Los Alamos lab (abbr.)
23. Cellular Telecommunications Industry Association
25. Half of a DIP
27. Ham's code for "Shall I send more slowly?" *
29.
Prefix for 10E-18
31. Ham's code for "Shall I stop sending?" *
33.
Chemical symbol for silicon
34. Analog-to-Digital (abbr.)
35. 2-way
conversation, Ham term *
39. 3 GHz to 30 GHz
41. Common solder composition
(pre-lead-free, abbr.)
42. Application Specific Integrated Circuit (abbr.)
43. Personal Digital Cellular
46. The stuff in the solder core
49. Logic
gates
51. Slang for when a professor hints at an exam problem (abbr.) *
52. Chemical symbol for plutonium
54. Chemical symbol for selenium
55.
Unix, Linux or Windows (abbr.)
57. Akin to EEs, CEs, AEs, etc. (abbr., pl.)
59. Engineering Change Order (abbr.)
60. Color quality
61. Very large unit
of apparent power (abbr.)
62. Circuit for firing a radar magnetron (abbr.,
pl.)
64. Image file format name extension
65. Set of three-letter codes
which are used by amateurs as abbreviations, hyph. *
66. Ham's code for "What
is the correct time?" *
67. Chemical element abbreviated Sn
68.
Current-voltage phase mnemonic
69. Telex-Over-Radio (abbr.)
71. Conduction
of electricity across the surface of a dielectric
73. State where Purdue
University's engineering school is located (abbr.)
76. A measure of receiver
quality (abbr.)
79. Opposite of I.D.
80. The UK's largest defense
electronics contractor (abbr.)
81. Large unit of apparent power (abbr.)
82. Governmental agency that monitors pollution (abbr.)
84. Curly-Q type
light bulb (abbr.)
85. Chemical symbol for arsenic
89. Chemical symbol for
scandium
91. Schema for computer or device presentation to the operator
(abbr.)
92. Type of data conversion device (abbr.)
93. Radio frequency
interference (abbr.)
94. Chemical symbol for nobelium
95. Infrared (abbr.)
97. Constellation : The lion
99. Ham's code for "Answer in prearranged
order." *
101. Unit of length (abbr.)
102. Chemical symbol for molybdenum
103. ampere-hour (abbr.)
104. Modulation type (abbr.)
105. Chemical symbol
for silver
106. Logarithmic ratio (abbr.) |
See solution below
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