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This week's crossword puzzle for January 22nd sports an electronics theme.
Many of the words begin or end with the letter "K." Their clues have been marked
with an asterisk (*). All
RF Cafe crossword puzzles are custom made by me, Kirt Blattenberger, and have only
words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics,
chemistry, physics, and other technical subjects. 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
(e.g.,
Reginald Denny,
Hedy Lamarr, or
the Tunguska
event in Siberia). The technically inclined cruciverbalists amongst us will appreciate
the effort. 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. He developed a law stating the sum of all currents into and out of a node
is zero *
2. Electrical safety organization (abbr.)
3. Emitted a flash during
electrical discharge
4. Chemical symbol for neon
5. Defense Advanced Research
Projects Agency
6. Rechargeable battery type (abbr.)
7. 1.602E-19 Joules
8. Sets of 5 work days
9. Part of this website's title
10. Computer I/O device
(pl.) *
15. Curly-Q type light bulb (abbr.)
18. Stock symbol for National Semiconductor
20. International phonetic alphabet letter "M"
22. Switch configuration (abbr.)
24. Asynchronous Digital Subscriber Line (abbr.)
25. The "B" in BER
26. Large
unit of apparent power (abbr.) *
28. Opening for airflow
33. A popular spreadsheet
36. World's 1st fully electronic digital computer (abbr.)
39. Popular computer
device interface (abbr.)
40. Send Morse Code *
41. Mathematical basis for calculating
noise power for a given bandwidth and temperature (abbr.) *
43. FCC's Universal
Licensing System (abbr.)
46. A type of filter designed using the image method
*
47. A compiler directive
49. International Amateur Radio Union (abbr.)
50.
Two or more satellites configured to communicate between themselves *
53. Waveform
min to max specification (abbr.) *
54. Large unit of apparent power (abbr.) *
55. Below ELF
56. Computer monitor (abbr., pl.)
62. Broadband Signal Intrusion
(abbr.)
64. Circuit element connecting PCB layers
66. Wideband Code Division
Multiple Access
67. 2 GHz to 4 GHz
68. Its chemical symbol is Rn
69. Threaded
fastener
74. Stock symbol for Boeing
76. Switch position
77. Front edge
of a wing (abbr.)
78. Chemical symbol for strontium
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1. 12.5 GHz to 18 GHz *
6. Parts distributor in Newark, NJ
11. S12 or S21
(abbr.)
12. The imaginary part of a complex quantity
13. Chemical symbol for
iron
14. Certificate of Successful Completion of Examination (abbr.)
16. International
phonetic alphabet letter "P"
17. Adjustment dial *
19. Frequency division multiple
access (abbr.)
21. Type of spread spectrum that does not use frequency hopping
(abbr.)
23. The computer in 2001: A Space Odyssey
25. Chemical symbol for
berkelium
27. Very large unit of apparent power (abbr.)
29. Opposite of I.D.
30. Cutting instrument (pl.) *
31. Chemical symbol for erbium
32. Start frequency
(abbr.)
33. BS__ - the degree held by many RF Cafe visitors
34. Chemical symbol
for tantalum
35. Test equipment (abbr.)
37. Chemical symbol for neodymium
38. Used to remove oxidation during soldering
42. Mate to a bolt (pl.)
44.
Society of Civil and Structural Engineers (abbr.)
45. Loose end of a cable
46. Raise a number to the 3rd power
48. Application Specific Integrated Circuit
(abbr.)
51. Unix, Linux or Windows (abbr.)
52. Filter type that blocks upper
frequencies (abbr.)
54. 1,000 seconds (abbr.) *
56. Unit of volume (abbr.)
57. Chemical symbol for argon
58. Chemical symbol for neon
59. Extremely high
strength fiber used in explosion-proof enclosures & bullet-proof vests *
60.
Read-only (abbr.)
61. Half of DSB
63. Sound frequency in the human hearing
range (abbr.)
64. Volume unit (abbr., pl.)
65. Stock symbol for Skyworks Solutions
68. Receiver power level circuitry (abbr.)
70. Application Specific Integrated
Circuit (abbr.) *
71. Electron beam particle
72. Mr. Gauss' first name
73.
Chemical symbol for terbium
75. Isolated charge
78. Chemical symbol for tin
79. 26.5 GHz to 40 GHz
80. Parts distributor in Newark, NJ *
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See solution below
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