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This custom RF Cafe engineering & science themed crossword puzzle for February
11th contains only clues and terms associated with engineering, science, physical,
astronomy, mathematics, chemistry, etc., which I have built up over more than two
decades. Being the 11th day, words containing the letter "K" are marked with an
asterisk (*). Many new words and company names have been added that had not even
been added to the world's technical lexicon when I started in the year 2002. As
always, this crossword contains no names of politicians, mountain ranges, exotic
foods or plants, movie stars, or anything of the sort unless it/he/she is related
to this puzzle's technology theme. You might, however, encounter the name of a movie
star like Hedy Lamarr
or a geographical location like
Tunguska, Russia, for reasons which, if you don't already know, might surprise
you. The technically inclined cruciverbalists
amongst us will appreciate the effort. A full list of all RF Cafe crosswords is
at the page bottom. 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. Unit of power *
6. Units of 1000 CPS *
9. Packet of 10^3 digital "0" or "1" symbols (pl.) *
15. Colorado Springs military
school (abbr.)
16. Indium Gallium Phosphor semiconductor (abbr.)
18. High-speed
multimedia (abbr.)
20. Filter type that blocks frequencies in a specified band
(abbr.)
21. Electronics components & batteries supplier based in Japan *
23. Ground fault interrupter (abbr.)
24. Attenuator
25. Internet mail protocol
(abbr.)
26. One port of an amplifier
28. U.K. equivalent of the IEEE
30.
Fast Fourier transform (abbr.)
32. "Texting" (abbr.)
33. Nearest and furthest
points to the center of gravitational attraction for a body in orbit
34. Logical
gate type (pl.)
37. Schematic label for voltage supply node
39. Type of reconfigurable
memory (abbr., pl.)
43. PC follower
44. Akin to an EE, CE, AE, etc.
45.
Device which substitutes for an antenna during tests on a transmitter (2 wds.)
48. Graph
50. Chemical symbol for tantalum
52. Part of a FOR loop
53. 10E1
numerical prefix (pl.)
54. Test point (abbr.)
56. Akin to an EE, CE, AE, etc.
57. Mr. Piper's famous yellow airplane
59. 300 kHz to 3 MHz
62. Chemical symbol
for rubidium
64. The "S" in SOIC
67. Reduced in amplitude
71. One type
of electron spin
73. Multifunctional silicon devices (abbr.)
74. Refuse to
absorb energy
76. Ham's code for "Shall I increase power?"
77. Crystal surface
78. Code for a type of electrical wire insulation
79. Adjust a pot
80. U.S.
military organization (abbr.)
82. Radio Direction Finding (abbr.)
84. Time
delay (abbr.)
85. Advanced Research Projects Agency (abbr.)
87. A common battery
cell size
90. Output intercept point (abbr.)
91. Powers pneumatic devices
92. Test equipment (abbr.)
93. Computer monitor (abbr., pl.)
95. Ratio of
a mechanical drawing
98. Negative temperature coefficient (abbr.)
99. An electron
tube in which bunching of electrons is produced by electric fields, used in radars &
microwave ovens *
100. Mass unit (abbr., pl.) *
101. Megavolt / 1000 * |
1. 26.5 GHz to 40 GHz *
2. Discipline for aircraft
navigation in low visibility environments (abbr.)
3. Chemical symbol for lanthanum
4. Wireless Home Digital Interface (abbr.)
5. Slang for when a professor hints
at an exam problem (abbr.)
6. Cutting instrument *
7. Chemical symbol for
mercury
8. Hit a component with an electrostatic discharge
10. One port of
an amplifier
11. Unit of resistance (pl.)
12. Base Station Transceivers (abbr.)
13. Type of high frequency diode (abbr.)
14. Chemical symbol for thulium
16.
Type of secondary radar system (abbr.)
17. Last stage in a transmitter (abbr.)
19. Sharp bend in I-V curve (pl.) *
22. Extremely high strength fiber used in
explosion-proof enclosures & bullet-proof vests *
25. "Texting" (abbr.)
26. FCC Part 15 rules apply in this band (abbr.)
27. Strong cable covering
29. Official engineering change document (abbr., pl.)
31. Temporary Engineering
Change document (abbr.)
32. Surface Mount Technology
35. One port of an amplifier
36. Type of component package (abbr.)
38. Chemical symbol for calcium
40.
Unit of inductance (abbr.)
41. Type of data storage IC
42. Used logic gates
46. Yard (abbr.)
47. Dual Tone Multi-Frequency
49. Transform type for changing
series shorted transmission line stub into a parallel open line stub *
51. Radio
Amateur Satellite Corporation (abbr.)
55. Programmable logic device (abbr.)
57. Co-channel rejection ratio (abbr.)
58. Chemical symbol for beryllium
60.
Method of self-detection and self-fixing transmission of digital data (abbr.)
61. Runge-_____ method in differential equations *
63. Number system of 1's and
0's
64. Adjust a pot
65. Front edge of a wing (abbr.)
66. Display type
68. Equalizer (abbr.)
69. Sound frequency in the human hearing range (abbr.)
70. Impurity in a semiconductor
72. It can follow an MS
74. Government program
to bring electricity to farms (abbr.)
75. Device to assist in the performance
of a chore (pl.)
79. Switch configuration (abbr.)
81. Singulated piece of
IC wafer
83. First-in, first-out, abbr.
86. A common RS-232 serial bus command
(abbr.)
88. Chemical symbol for arsenic
89. Abbreviation for acknowledge (also
a common word used by Bill the Cat) *
92. Logic family (abbr.)
93. Chemical
symbol for chlorine
94. Write-Once (abbr.)
96. Chemical symbol for silver
97. Chemical symbol for nickel
98. Chemical symbol for nobelium |
See solution below
| 2024 Crosswords Archive |
|
 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.
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| 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.
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April 28
April 21
April 14
April 7 |
March 31
March 24
March 17
March 1967 Radio-Electronics PuzzlerFebruary 18
February 11
February 4
January 28
January 21
January 14
January 7
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