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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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RF Cafe Engineering Crossword Puzzle w/Weekly Headlines
March 5, 2017

For the sake of avid cruciverbalists amongst us, each week I create a new crossword puzzle that has a theme related to engineering, mathematics, chemistry, physics, and other technical words. Clues in this puzzle with an asterisk (*) are pulled from this past week's (2/27 - 3/3) "High Tech News" column on the RF Cafe homepage. Enjoy!

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

RF Cafe Engineering Crossword Puzzle w/Weekly Headlines March 5, 2017

1. China's Projects Driving Global Fab _________ Sales *
7. Alternative name for Beta Persei
9. Lunar 'seas'
12. Precision approach radar (abbr.)
13. Automatic network analyzer (abbr.)
16. Chemical symbol for polonium
18. Type of secondary radar system (abbr.)
20. _______ to Begin 5G Pilot in 1H 2017 in Atlanta, Denver, Seattle, more *
24. Miniature threaded RF connector
26. Big Blue
27. Unit of resistance
28. Effective Radiated Power (abbr.)
29. Colorado Springs military school (abbr.)
31. Electronics manufacturer with "meatball" logo
32. 1.602E-19 Joules
34. Thin metallic shield material around coax cable (pl.)
36. Diode type used as a voltage regulator
38. EEF to Lead Calls for 5-Year ______ Transition Period *
41. Common average used for sinewaves (abbr.)
42. 1/000 of an inch
43. One component of a complex number (abbr.)
44. Similar to a laser, but at lower frequencies
46. Wireless _____ 15% Below Estimates in Q4, 'Muted' Spending in 2017 *
48. Chemical symbol for lead
49. Display type
50. Fast Fourier transform (abbr.)
51. Chemical symbol for molybdenum
53. Referring to a right triangle, the trigonometric function equal to the ratio between the side opposite a given angle, and the hypotenuse, pl.
56. Metric length unit
59. Chemical symbol for silver
61. Ham abbreviation for transceiver
62. Add two or more inputs
64. Deutsche Industrie Normenausschuss
65. Stock symbol for Boeing
66. A common battery cell size
67. Chemical symbol for selenium
68. Electronic assembly transport container (pl.)
70. Chemical symbol for platinum
71. Electromagnetic (abbr.)
72. A common RS-232 serial bus command (abbr.)
74. 10 decibels
75. Stock symbol for Advanced Micro Devices
77. China's Projects Driving Global ___ Equipment Sales *
78. Positive emitter-coupled logic (abbr.)
80. Parents' Enthusiasm for _______ Boosts Teens' Exam Scores *
82. Under self-control (prefix)
83. World Amateur Radio Conference
85. Satellite TV system
86. Control and monitoring board
88. Army-Navy specification prefix
89. Wire diameter unit (abbr.)
92. Telex-Over-Radio (abbr.)
93. Front edge of a wing (abbr.)
94. _____ delay, which describes the time taken for information to pass through a circuit element
96. Flip-flop control input
98. EEF to Lead Calls for 5-Year Brexit Transition ______*
99. Diac that can be turned back off (pl.)
100. Low Noise Amplifier (abbr.)
101. Nordic Mobile Telephone
1. Enhanced Graphics Adapter
2. _____ Joins China Mobile 5G Innovation Center *
3. Electrical safety organization (abbr.)
4. Electromagnetic (abbr.)
5. 1e-6 mA
6. Total radiated power (abbr.)
8. Filter type that blocks upper frequencies (abbr.)
10. Android and___ Claim Whopping 99.6% of Market in Q4 *
11. Part of an optical cable bundle
13. Strong cable covering
14. Chemical symbol for nickel
15. Type of telescope mount (abbr., pl.)
17. Taiwan Maintains Largest Share of Global IC _____ Fab Capacity *
19. Type of modulation (abbr.)
21. 30 GHz to 300 GHz
22. Type of logic gate (pl.)
23. Chemical symbol for neptunium
25. ELI the ICE ___
26. A three-terminal power semiconductor device noted for high efficiency and fast switching (abbr.)
30. Length times width
32. 2 60 bits of data (pl.)
33. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image (abbr.)
35. Intermodulation distortion (abbr.)
36. Compress a computer file
37. Helium, iron, silicon, or uranium, for example
39. Nuclear explosion byproduct harmful to electronic (abbr., pl.)
40. Teletypewriter exchange service
42. Joined a male and a female connector
45. Effective frontal area presented to a microwave interrogation system (abbr.)
46. Airflow rate (abbr.)
47. Type of logic gate
52. _____ Signals Widely Copied, Experiments to Continue *
54. The design component of total product cost (abbr.)
55. Describes the action of cleaving a crystal plane
57. End of soldering iron
58. Susan _____, "Microwave Journal" magazine editor (c2014)
60. PC maker
62. One state of matter
63. A type of average (pl.)
65. Top Evolution Guy Say _______ Had Virtually No Influence on Pop Music 
68. Temporary Engineering Change document (abbr.)
69. Miniature RF connector
73. Move in a raster pattern
74. Filter type that blocks frequencies in a specified band (abbr.)
76. Leave a film on a surface
77. Gasoline, diesel, etc.
79. Chemical symbol for lawrencium
81. Chemical symbol for einsteinium
82. Army-Navy specification prefix
84. Common mode ripple rejection (abbr.)
87. Length times width
90. Inductor
91. Elementary particle
92. Short for terminal
94. Electronics manufacturer with "meatball" logo
95. BlackBerry or Palm for example (abbr.)
96. Stock symbol for Raytheon
97. Coefficient of temperature (abbr.) 

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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December 31
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December 17
December 10
December 3
November 26
November 19
November 12
November 5
October 29
October 22
October 15
October 8
October 1
September 24
September 17
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September 3
August 27
August 20
August 13
August 6
July 30
July 23
July 16
July 9
July 2
June 25
June 18
June 11
June 4
May 28
May 21
May 14
May 7
April 30
April 23
April 2
March 26
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March 12
March 5
February 26
February 19
February 12
February 5
January 29
January 22
January 15
January 8
January 1
















RF Cafe Engineering Crossword Puzzle Solution w/Weekly Headlines March 5, 2017 

LadyBug Technologies LB680A RF Power Sensor - RF Cafe
Windfreak Technologies Frequency Synthesizers - RF Cafe
Innovative Power Products Passive RF Products - RF Cafe

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