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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 & Science Crossword Puzzle
March 18, 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. 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 March 18, 2018

1. What high frequency engineers design (2 wds.)
8. Semiconductor lamp
9. 30 Hz to 300 Hz
10. Circuit containing a mixture of technologies (pl.)
15. Used logic gates
17. Longitudinal shape-forming structural element
19. Wheel attachment points
20. SIgnal to Noise And Distortion (abbr.)
22. Chemical symbol for silicon
23. System for guiding aircraft (abbr.)
24. 1e-6 mA
25. Stock symbol for National Instruments
27. High power density battery chemistry (abbr.)
30. Oscillator type that is referenced to an external source (abbr., pl.)
31. Elemental compound used for microwave frequency reference oscillators (abbr., pl.)
32. Chemical symbol for thallium
34. Opposite of USB
35. Chemical symbol for cesium
36. _____ delay, which describes the time taken for information to pass through a circuit element
39. Change from the initial value due to instability
41. Unit of energy (pl.)
42. European Telecommunications Standards Institute (abbr.)
43. Message intelligence (pl.)
44. Engineering Change Notice (abbr.)
46. Government program to bring electricity to farms (abbr.)
48. Webmaster of RF Cafe website (2 wds.)
2. Chemical symbol for chlorine
3. Reduction-oxidation (abbr.)
4. Opposite of I.D.
5. European equivalent to the U.L.
6. The "U" in UHF
7. Band between RF and BB
10. Slang for helicopter
11. 36 in. (abbr., pl.)
12. Electron beam pattern method used in CRTs (2 wds.)
13. Satellite TV system
14. Quantum electron property
16. Fundamental electrical component w/units of ohms
18. Determination of cause and effect
19. The "A" in DAC
21. Company that markets Teflon
25. Chemical symbol for neptunium
26. Chemical symbol for thallium
28. Network department (abbr.)
29. Unix, Linux or Windows (abbr.)
33. Cable termination type (pl.)
35. Computer monitor (abbr., pl.)
37. Have a chemically induced effect
38. Greek letter
39. Keyboard key
40. Part of an optical cable bundle
44. Chemical symbol for erbium
45. Chemical symbol for niobium
46. One component of a complex number (abbr.)
47. Chemical symbol for silver

See solution below


2018 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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RF Cafe Engineering & Science Crossword Solution March 18, 2018

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