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Radio & Radar Crossword Puzzle
January
24, 2016
For the sake of avid cruciverbalists amongst us, each week I create a new crossword puzzle. All RF Cafe crossword puzzles are custom made by me, Kirt Blattenberger, and have only words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical subjects. As always, this crossword contains no names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort unless it/he/she is related to this puzzle's technology theme (e.g., Reginald Denny or the Tunguska event in Siberia). The technically inclined cruciverbalists amongst us will appreciate the effort. Enjoy!
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words
| ACROSS | DOWN |
| 1. Large unit of apparent power (abbr.) 4. Monte-_____ analysis 9. Automatic Calibration System (abbr.) 12. Alternative name for a pi meson 13. System for underwater navigation 14. Describes when a synchronous motor loses phase lock 16. Oscillator type that is referenced to an external source (abbr., pl.) 17. Chemical symbol for chlorine 18. Electronics manufacturer with "meatball" logo 19. Telecommunications Information Network Architecture (abbr.) 20. The "M" in EMF 23. Did a total memory transfer 25. Broadband Signal Intrusion (abbr.) 27. Largest moon of Saturn 28. Permeability-tuned oscillator (abbr.) 29. Observed rule 31. Large-value resistor connected across the filter capacitor in a power supply to discharge the filter capacitors when the supply is turned off (2 wds.) 32. Base of the octal number system 34. Circuit element connecting PCB layers 36. Type of electrical ground obtained by sinking a metallic rod into the soil 37. Type of data conversion device (abbr.) 38. Creating a corona 43. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.) 48. 12 inches 49. Chemical symbol for palladium 51. Chemical symbol for polonium 52. Official engineering change document (abbr., pl.) 53. Material used in the center of an inductor coil 54. A type of coaxial cable (aka 'hardline') 56. Type of high frequency circuit substrate (abbr.) 57. Time Division Multiplexing 58. Send junk e-mail 59. Family of ICs with a certain component density level (abbr.) |
1. International phonetic alphabet letter "K" 2. Electrical unit of potential difference 3. Primary U.S. standards organization founded in 1918 (abbr.) 4. Certificate of Successful Completion of Examination (abbr.) 5. Online service (abbr.) 6. Chemical symbol for radon 7. Be behind in phase 8. Used logic gates 9. Material testing organization (abbr.) 10. Short video segment 11. Trigonometric function equal to the ratio between the side opposite a given angle, and the hypotenuse 12. Parts per million (abbr.) 15. Attenuator 21. Virtual Private Network 22. Chunks of space rocks 24. Country of RF Cafe's residency 25. Filter type that blocks frequencies below and above a specified band (abbr.) 26. Galilean moon 27. Structure of columns and rows 30. Change from one thing into another 33. Add solder to tip of iron 34. Unit of apparent power (abbr.) 35. Type of current flow (abbr.) 36. 30 GHz to 300 GHz 38. Scheme to maintain proper frequency (abbr.) 39. One factor of a polynomial 40. Lacing ____, for bundling cables 41. Thing in a bill of material 42. General Packet Radio Service 43. Unit of length equal to 5.5 yards (pl.) 44. Wireless phone region 45. Advanced Communication Technologies and Services (abbr.) 46. An ellipse has two of them 47. A keyboard key 50. SIP x 2 51. Spurious RF products created by metal joints (abbr.) 55. Chemical symbol for gallium |
See solution below
Copyright: 1996 - 2026 |
About RF Cafe 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 tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived... |
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