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Copyright: 1996 - 2024
    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
July 16, 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 (7/7 - 7/14) "Tech Industry Headlines" 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

Engineering & Technical Headlines Crossword Puzzle - RF Cafe

1. Million samples per second
5. _____ to Celebrate 20th Anniversary with SSTV Event *
8. Adjust
12. Transformer interwinding connections
14. Chemical symbol for erbium
15. Chemical symbol for scandium
17. Fourth largest asteroid
19. Asynchronous Communication Interface Adapter (abbr.)
20. U.S. House Armed Services Panel Would Create Space Force *
21. Type of graph with a circular grid
22. Apollo 11 astronaut ____ Armstrong
24. Abbreviation for minimum voltage
25. Chemical symbol for thallium
26. Half of DSB
27. Attenuator
28. Chemical symbol for manganese
29. Chemical symbol for nobelium
31. Chemical symbol for radium
32. Chemical symbol for manganese
33. Filter type that blocks frequencies below and above a specified band (abbr.)
35. Unit of frequency (archaic, abbr.)
36. Chemical symbol for erbium
38. Chemical symbol for aluminum
39. Anatech Electronics Inc., (abbr.)
40. Rate of a radar transmitter's output waveform (abbr.)
41. Environmental barrier device
44. BIRDS-1 _______s Deployed from ISS, Carry Amateur Radio Payloads *
46. Indium Gallium Arsenide semiconductor
49. Government program to bring electricity to farms (abbr.)
51. Chemical symbol for mercury
52. Chemical symbol for silicon
53. Radio Direction Finding (abbr.)
54. Electronic component package type (abbr.)
56. The "B" in BER
58. The "N" in SNR (pl.)
59. Maximum distances in orbits around the sun
60. Alter the relations between the parts of a structure or shape by applying an external force
61. Multifunctional silicon devices (abbr., pl.)
64. Network file transfer protocol (abbr.)
66. Cooling device
68. Chemical symbol for einsteinium
70. Switch position
71. Unit of resistance
75. Registered an event
77. _______ on the Move Turns Your Walk into Ungainly Lollop *
78. Causes circuit path with very low or 0 ohms of impedance
80. Software drafting tool (abbr.)
82. Original Equipment Manufacturer (abbr.)
84. Sound frequency in the human hearing range (abbr.)
85. Chemical symbol for antimony
86. Chemical symbol for chlorine
87. Yard (abbr.)
89. Home state of Los Alamos lab (abbr.)
90. Electrical safety organization (abbr.)
91. Filter type that blocks upper frequencies (abbr.)
93. Chemical symbol for polonium
94. Cellphone band just below PCS
96. 1/000 of an inch
98. Chemical symbol for rubidium
100. PC follower
101. Erbium Doped Fiber Amplifier (abbr.)
102. Connector vendor headquartered in Bristol, PA
104. The "G" in AWG
105. A crescent shaped figure formed on a sphere or plane by two intersecting arcs
106. Started as HPIB
108. Type of current
109. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm
110. Type of unidirectional antenna
112. Equipment
113. Base of the octal number system
114. Join a male and a female connector
2. NASA Wants ____ ____ Style 'Tricorder' for Mars *
3. Last stage in a transmitter (abbr.)
4. Switch configuration (abbr.)
5. Amateur Radio Emergency Service (abbr.)
6. International Reply Coupon (abbr.)
7. Solid state power amplifier (abbr.)
8. Another word for each complete winding of an inductor
9. Chemical symbol for radon
10. Type of radiation that has sufficient energy to knock electrons free from their orbits
11. Electronic warfare defense (abbr.)
13. Continuous curve constructed so as to pass through a given set of points
14. Exalted-Carrier Single Sideband (abbr.)
16. Coder/decoder (abbr.)
17. Navy Moves Next-Gen ______ EW to Next Phase *
18. Part of a male connector
19. Mean, geometric, rolling, etc.
23. Coaxial cable type with minimum signal attenuation (2 wds.)
30. A type of frequency compensation used in an electronic amplifier in which a capacitor is introduced between the input and output sides of the amplifier (2 wds.)
32. Join a male and a female connector
34. Mate to a socket
35. Stephen ____ - popular author on microwave circuit design
37. There Are Plenty of ____-Blocking Products, but Do You Need Them? *
42. Industry Giddy as Curtain Rises on _______ West *
43. Chemical symbol for erbium
44. Novel _______ and Architecture for Portable O-Scopes "
45. Adding solder to the tip of a soldering iron
47. A measure of receiver quality (abbr.)
48. Ham Radio _______ WB6RQN Reaches Approximate Half-Way Point of Round-the-World Flight *
50. A common battery cell size
53. Type of flip-flop
54. Semiconductor On Insulator (abbr.)
55. Satellite TV system
56. Notch type filter (abbr.)
57. End of soldering iron
62. Chemical symbol for tin
63. Read-only (abbr.)
65. Multivibrator type
66. Chemical symbol for iron
67. Type of data conversion device (abbr., pl.)
69. Impenetrable physical barrier
70. The "O" in ROM
72. High-speed multimedia (abbr.)
73. Unit of inductance (abbr.)
74. Prevent the direct physical transfer of signals from one point to another
76. Demand Surge Causes ________ of Components *
79. Radio term for an unconventional frequency separation between input and output frequencies (2 wds.)
81. Soak up RF energy
83. Treatment Uses RF ______ to Provide Relief from Chronic Knee Pain *
86. The "D" in BCD
88. Increase in elapsed time before a signal begins
92. BlackBerry or Palm for example (abbr.)
93. Set of poles
95. Certificate of Successful Completion of Examination (abbr.)
97. A three-terminal power semiconductor device noted for high efficiency and fast switching (abbr.)
99. Light ray
100. Automatic network analyzer (abbr.)
103. Unit of energy
107. Last stage in a transmitter (abbr.)
111. Chemical symbol for gallium

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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