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RF Cafe Engineering & Science Crossword Puzzle
April 1, 2018

Each week, for the sake of all avid cruciverbalists amongst us, I create a new technology-themed crossword puzzle using only words from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. Words for clues having an asterisk (*) after them are part of this week's Easter theme. You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, see someone or something in the exclusion list who or that is directly related to this puzzle's theme, such as Hedy Lamar or the Bikini Atoll, respectively. 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 & Science Crossword Puzzle April 1, 2018

ACROSS DOWN
1. Keysight's (Agilent's) EE design software (abbr.)
4. U.S. military's research and development organization (abbr.)
8. _____ + 12 Across *
12. 8 Across + ___ *
15. 36 in. (abbr., pl.)
17. Mr. de Forest's first name
18. Innovative Power Products, Holbrook, NY (abbr.)
19. Miniature threaded RF connector
21. Electromagnetic (abbr.)
23. What 20 Down does to get around *
25. Keyboard key
27. 30 Hz to 300 Hz
28. Miniature RF connector
29. Chemical symbol for lanthanum
30. Hub of the solar system
32. Current-voltage phase mnemonic
34. Ratio of circumference to diameter
35. Network department (abbr.)
36. BASIC looping keyword
37. Electrical overstress (abbr.)
38. Ultra Fine Pitch Technology (abbr.)
39. Premier RF/microwave engineering magazine (abbr.)
41. Type of logic gate
42. Type of distribution, squared
43. The "T" in ATE
45. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)
46. Oscillator type that is referenced to an external source (abbr.)
48. Alcohol, epoxy or gasoline, for example
49. Substance that removes electrons from another reactant
50. Opposite of USB
52. Last stage in transmitter (abbr., pl.)
53. Unit of length equal to 5.5 yards (pl.)
56. ___-back transformer
58. Engineering Change Order (abbr.)
59. Electromotive force (abbr.)
62. International Amateur Radio Union (abbr.)
65. U.K. equivalent of the IEEE
66. SIP x 2
67. Hectare (abbr.)
68. 30 kHz to 300 kHz
70. Curly-Q type light bulb (abbr.)
72. Negation prefix
73. Type of component package (abbr.)
74. Precision approach radar (abbr.)
75. Part of a male connector
76. Voltage-current phase mnemonic
78. Temporary Engineering Change document (abbr.)
80. Chemical symbol for manganese
81. Direction of carbon fiber strands
82. Unit of length equal to 5.5 yards
83. Powers pneumatic devices
85. Type of logic gate (pl.)
87. Semiconductor lamp
88. _____ conductor
89. Line an Easter basket with this *
90. ___/IP scheme for networked connectivity
2. Chemical symbol for dysprosium
3. Synchronous Digital Hierarchy
5. Chemical symbol for aluminum
6. Positive voltage lead color
7. Marshmallow ____ *
9. Applies a lubricant
10. Filter type (abbr.)
11. Internet protocol (abbr.)
12. Science of assuring operation amid dense EM background noise (abbr.)
13. Chemical symbol for gallium
14. Central religious figure of Easter holiday (2 wds.) *
16. Semiconductor On Insulator (abbr.)
19. Specialized mobile radio (abbr.)
20. Central secular figure of Easter holiday (2 wds.) *
22. Maximum Usable Frequency
24. Modulation technique (abbr.)
26. Geometric entity with only length
27. Antenna radiated power measurement (abbr.)
28. Semiconductor On Insulator (abbr.)
29. Line of Sight (abbr.)
31. Chemical symbol for neptunium
33. Modern battlefield technique (abbr.)
36. Unit of inductance (abbr.)
37. BS__ - the degree held by many RF Cafe visitors
40. _____ + 51 Down *
42. Configure a switch to make electrical contact
44. Peak Inverse Voltage
47. BlackBerry or Palm for example (abbr.)
51. 40 Down + ____ *
52. Compliment to a zero in a polynomial
54. Original Equipment Manufacturer (abbr.)
55. Morse Code for "from"
56. Type of digital filter (abbr.)
57. Filter type that blocks upper frequencies (abbr.)
60. Unit of frequency (archaic, abbr.)
61. Fast Fourier transform (abbr.)
63. Army-Navy specification prefix
64. Type of memory
66. 24 hours
67. What to do with and Easter egg *
69. Area on a shaft for accommodating a setscrew
71. Constellation : The lion
74. Attenuator
75. Type of e-mail address system (abbr.)
77. Type of digital filter (abbr.)
79. Type of computer display (abbr.)
81. Front edge of a wing (abbr.)
82. Chemical symbol for ruthenium
84. Chemical symbol for radium
86. Chemical symbol for scandium

Answer below

 

2018 Crosswords Archive
2018 | 2017 | 2016 | 2015 | 2014 | 2013 | Sudoku
(contact me if you need a prior crossword - they go back to 2002)

December 30
December 23
December 16
December 9
December 2
November 25
November 18
November 11
November 4
October 28
October 21
October 14
October 7
September 30
September 23
September 16
September 9
September 2

August 26
August 19
August 12
August 5
July 29
July 22
July 15
July 8
July 1
June 24
June17
June 10
June 3
May 27
May 20
May 13
May 6

April 29
April 22
April 15
April 8
April 1
March 25
March 18
March 11
February 25
February 18
February 11
February 4
January 28
January 21
January 14
January 7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF Cafe Engineering & Science Crossword Puzzle April 1, 2018

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    Kirt Blattenberger,
    BSEE - KB3UON

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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