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    Kirt Blattenberger,


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 World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Science & Electronics Crossword Puzzle
June 18, 2017

This week's tech-themed crossword puzzle, as is the case every week, contains only words pertaining to engineering, amateur radio, science, physics, mechanics, mathematics, etc. If you want to exploit your knowledge of movie star names, obscure towns in obscure countries, movies, literature, television shows, or clothing designers, then you will need to find yourself an edition of the NY Times or the Boston Herald.

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

Science & Electronics Crossword Puzzle for June 18, 2017 - RF Cafe

1. Electronics Industry Association (abbr.)
4. Organization requiring 25 years of amateur service for membership, abbr.
7. Numerical prefix meaning 10 (var.)
10. Unit of resistance
13. Additive white Gaussian noise
14. Chemical symbol for rhodium
15. Unit of time (abbr.)
16. Logic gate
18. Stock symbol for Boeing
19. Semiconductor On Insulator (abbr.)
21. Test document for verifying proper function (abbr.)
22. Electromagnetic (abbr.)
23. Newest buzz phrase for ubiquitous remote control and monitoring of everything (abbr.)
25. Positive voltage lead color
27. End of transmission (abbr.)
29. 3 GHz to 30 GHz
30. A listing of the conditions of the Earth's magnetic field as measured at Boulder, CO
32. The lowest region of the ionosphere found approximately 25 to 55 miles above Earth (hyph.)
35. ESD protective apparel
38. Unit of energy
40. Elementary particle
43. Erbium Doped Fiber Amplifier (abbr.)
44. How number is described if it is equal to the sum of all of its factors, excluding the number itself
48. Military Auxiliary Radio System
49. Decimeter (abbr.)
50. Snail and E are examples of this
52. The "O" in ROM
55. Chemical symbol for selenium
56. Point in an revolving object's orbit that is farthest to the body it is orbiting (pl.)
59. Integrated data onto a carrier wave
62. Organization requiring 25 years of amateur service for membership, abbr.
63. Unit of length (abbr.)
64. Chemical symbol for mendelevium
65. Raise a number to the 3rd power
66. Rubber or plastic donut-shaped insert for protecting pass-through wires
70. The "C" in AC or DC
74. Modulation type (abbr.)
76. A common lamp tube gas
78. 72 Down + ____, the world's best engineering website
79. Type of current flow (abbr.)
81. 12.36 us is called a radar ____
84. Small computer program that performs some very useful function
87. 10E-12 numerical prefix
89. The fourth state of matter, which occurs in stars and fusion reactors
92. A keyboard key
93. Displays a radar target
95. Factor of ten
98. Typical bandwidth of a directional coupler
101. Rádio Nacional de Angola (abbr.)
103. Software engineering tool (abbr.)
104. Gun safety and education organization (abbr.)
105. Cooling device
106. Unit of liquid measure (abbr.)
108. Personal Handy Phone System (abbr.)
109. Imaging device (abbr.)
111. Chemical symbol for gadolinium
112. Unintended frequency product from a mixer
114. Chemical symbol for plutonium
117. Chemical symbol for arsenic
118. Miniature threaded RF connector (pl.)
120. Transformer interwinding connection
121. Million multiply accumulate operations (abbr.)
122. Fourth largest asteroid
123. ELI the ICE ___
1. Modern battlefield technique (abbr.)
2. A three-terminal power semiconductor device noted for high efficiency and fast switching (abbr.)
3. Automatic network analyzer (abbr.)
4. Ham's code for "Shall I send more slowly?"
5. Dimension from wing LE to TE
6. Chemical symbol for arsenic
7. Ham abbreviation for "distant station"
8. Runge-_____ method in differential equations
9. MS's server-side script engine for dynamically-generated web pages (abbr.)
10. Exponent that returns the original number
11. Amateur radio operators
12. Chemical symbol for manganese
13. Under sampled
17. The "D" in DARPA
20. U.K. equivalent of the IEEE
21. Online service
24. Output intercept point (abbr.)
26. One who DXs
27. Quickly changing portion of waveform
28. Mr. de Forest's first name
30. A common battery cell size
31. Unit of time (abbr.)
33. Ham-ese for Young Lady
34. Angular speed unit
36. Time Division Multiplexing
37. Part of this website's title
39. Radio frequency interference (abbr.)
41. Chemical symbol for tantalum
42. Type of logic gate (pl.)
44. Type of chart
45. Helium, iron, silicon, or uranium, for example
46. Promote the flow of electrical current
47. RF connector type
50. Chemical symbol for molybdenum
51. Chemical symbol for silver
53. Local Oscillator (abbr.)
54. Yard (abbr.)
56. Conductor size unit (abbr.)
57. Precision approach radar (abbr.)
58. Surface Mount Technology
59. Science of assuring operation amid dense EM background noise (abbr.)
60. Engineering Change Notice (abbr.)
61. Device under test (abbr.)
67. Switch position
68. Akin to an EE, CE, AE, etc.
69. Minutes of Use (abbr.)
71. Straight line emanating from a point source
72. __ + 78 Across, the world's best engineering website
73. BS__ - the degree held by many RF Cafe visitors
74. Units of current
75. 1/000 of an inch
77. Precision landing system (abbr.)
79. Logic family
80. Trigonometric function equal to the ratio between the side adjacent to a given angle, and the hypotenuse (pl.)
82. Chemical symbol for lanthanum
83. IC killer (abbr.)
85. Institute of Electrical and Electronics Engineers
86. Small representative graphic
87. Type of chart
88. One port of an amplifier
90. Akin to EEs, CEs, AEs, etc. (abbr., pl.)
91. Type of current flow (abbr.)
93. Last stage in a transmitter (abbr.)
94. A feedback scheme to level out the receiver audio volume (abbr.)
96. Unwanted 60- or 120- Hz modulation due to poor power supply filtering (2 wds.)
97. 10E1 numerical prefix (pl.)
99. Error checking scheme (abbr.)
100. Radio navigation system (abbr.)
102. Prefix meaning "water"
105. Frequency division multiple access (abbr.)
107. Total radiated power (abbr.)
108. Parts per million (abbr.)
110. Digital storage oscilloscope (abbr.)
111. Global System for Mobile Communications (abbr.)
113. Chemical symbol for platinum
115. Amateur radio abbreviation for the Oceania region (abbr.)
116. Unit for 1,000 watt-seconds (abbr.)
119. Army-Navy specification prefix

See solution below


2017 Crosswords Archive

Visit the Crossword Express website - RF CafeTake 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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Science & Electronics Crossword Solution for June 18, 2017 - RF Cafe

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