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Kirt Blattenberger - RF Cafe Webmaster

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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Science & Engineering Crossword Puzzle
July 24, 2016

This week's tech-themed crossword puzzle, as is the case every week, contains only words pertaining to science, engineering, amateur radio, physics, mechanics, mathematics, etc. Making a special appearance is the name of the most recent company to support RF Cafe through advertising. You will see their banner graphical ad appearing in the right page border sometime this week. Opportunities exist for your company to advertise if you are interested.

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

1. Contactless homemade (usually) inductive and/or capacitive test cable end for tracing RF signals on a PCB or in a chassis (2 wds., pl.)
9. Filter type (abbr.)
10. Electronic warfare defense (abbr.)
12. Amateur radio abbreviation for the Oceania region (abbr.)
14. Army-Navy specification prefix (abbr.)
15. RF power sensor and power meter company in Santa Rosa, CA
19. 1e-6 mA
20. Ham abbreviation for "distant station"
21. Type of data conversion device (abbr.)
23. World's largest yearly convention of gadget and device manufacturers (abbr.)
24. Heatsink feature
26. Relative power level unit (abbr.)
27. Type of Morse Code key
29. Heterojunction Bipolar Transistor
32. The "F" in EMF (pl.)
34. Family of ICs with a certain component density level (abbr.)
36. The "F" in EMF
38. Exponent that returns the original number
40. Multifunctional silicon devices (abbr.)
41. World Amateur Radio Conference
42. International phonetic alphabet letter "M"
43. Opposite of I.D.
44. Unit of weight
45. Substrate for mounting components (abbr.)
47. Curly-Q type light bulb (abbr.)
49. Logic gate output configuration (abbr.)
51. Semiconductor On Insulator (abbr.)
52. Stock symbol for Lockheed Martin
53. Chemical symbol for radon
54. One type of electron spin
56. Chemical symbol for polonium
57. Chemical symbol for tantalum
59. What is the alternative name for a pi meson
60. Setting a steady-state voltage reference
61. Web page language
62. Morse Code for "from"
63. Electromagnetic (abbr.)
64. Ratio of circumference to diameter
65. Internet protocol (abbr.)
67. Electrical overstress (abbr.)
68. Common shorthand reference for a capacitor
70. Type of computer display (abbr.)
72. Signal-to-noise ratio (abbr.)
73. Network file transfer protocol (abbr.)
74. Unit of atmospheric pressure (abbr.)
75. Network department (abbr.)
77. Considered the 4th dimension
79. He, along with Mr. Savart, developed a law that describes a magnetic field generated by an electric current
80. Greek letter used for frequency
81. Display type
83. Web service for cross referencing domain names, IP addresses, owners, etc.
86. Method of sending high-speed digital signals on electric distribution wires, a Ham's nemesis (abbr.)
87. Spurious signal produced in a receiver
91. Last statement in a BASIC program
92. Part of CRC
95. Broadband Signal Intrusion (abbr.)
97. Code for a type of electrical wire insulation (abbr.)
99. Attenuator
100. Digital voltmeter (abbr.)
102. One port of an amplifier
103. Akin to an EE, CE, AE, etc.
105. One sampling port of a directional coupler
107. Home state of Los Alamos lab (abbr.)
108. Chemical symbol for lead
109. Type of chart
111. Ham's code for "Shall I decrease power?"
112. Frequency for detecting and recording data (2 wds., pl.)
1. 2 GHz to 4 GHz
2. Silicon transistor type (abbr.)
3. Band between RF and BB
4. Straight line emanating from a point source
5. Chemical symbol for beryllium
6. Engineering Change Notice (abbr.)
7. The "S" in SOIC
11. Went beyond published limits
13. Chemical symbol for cadmium
15. Mr. de Forest's first name
16. Chemical symbol for arsenic
17. Unit of capacitance (abbr.)
18. Image file format name extension
20. Logarithmic ratio (abbr.)
22. Printer output resolution unit (abbr.)
23. Chemical symbol for chlorine
25. Chemical symbol for nickel
26. Digital storage oscilloscope (abbr.)
28. Translated higher frequencies to lower frequencies
29. Opposite of a LO
30. An amateur station transmitting communications for the purpose of observation of propagation and reception or other related experimental activities (2 wds.)
31. Chemical symbol for thallium
33. Describes stationary charges
35. Chemical symbol for scandium
36. A BPF specification (abbr.)
37. Decimeter (abbr.)
39. Chemical symbol for nobelium
44. Performs a quantum mechanical potential barrier feat
45. Unit of time (abbr.)
46. Chemical symbol for bismuth
48. Its chemical symbol is Li
50. The Brits call them valves
52. A concern of Boolean equations
53. Unit of length equal to 5.5 yards
55. Spurious RF products created by metal joints (abbr.)
56. Silicon transistor type
58. Test document for verifying proper function (abbr.)
66. Boring implement (2 wds.)
68. Chemical symbol for californium
69. Min-to-max voltage of a waveform (abbr.)
71. Units of electrical charge
76. Chemical symbol for scandium
78. Modern battlefield technique (abbr.)
79. Filter type that blocks frequencies in a specified band (abbr.)
80. Chemical symbol for neptunium
82. Antenna gain unit (abbr.)
84. Chemical symbol for helium
85. Opposite of O.D.
86. Digital pattern coding type (abbr.)
88. Increases voltage linearly
89. Network department (abbr.)
90. 30 GHz to 300 GHz
92. Software drafting tool (abbr.)
93. Yard (abbr.)
94. Lights
96. Chemical symbol for tin
98. Write-Once (abbr.)
99. Chemical symbol for praseodymium
101. Abbreviation for peak voltage
104. Electronics Industry Association (abbr.)
106. Computer interconnection scheme (abbr.)
107. The design component of total product cost (abbr.)
110. Electromagnetic (abbr.)
111. Unit of liquid measure (abbr.)

See solution below


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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