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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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Engineering Crossword Puzzle
March 11, 2012

2012 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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Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

Microwave Engineering Crossword, March 11, 2012 - RF Cafe

1. Ionized trails of meteors used as a reflecting media (2 wds.)
9. 3 GHz to 30 GHz
11. Flash caused by an electric current ionizing a gas or vapor
12. Chemical symbol for thallium
13. Bandwidth (abbr.)
15. Special diode type that can be switched (abbr.)
18. Chemical symbol for arsenic
20. Chemical symbol for aluminum
21. Filter type that blocks frequencies in a specified band (abbr.)
23. Ad-hoc on demand distance vector (abbr.)
26. Ratio of circumference to diameter
27. Periodic superimposed waveform amplitude variation
30. "Texting" (abbr.)
32. 2/3 of a triac
34. Modulation technique (abbr.)
35. Type of high frequency circuit substrate (abbr.)
36. Adjust
38. MS's server-side script engine for dynamically-generated web pages (abbr.)
40. The "O" in ROM
41. International phonetic alphabet letter "G"
42. Mr. de Forest's first name
43. Longitudinal shape-forming structural element
45. Battery cell chemistry type (abbr.)
47. Coordinated Universal Time (abbr.)
48. Thread cutting tools
51. Engineering Change Order (abbr.)
52. Limits voltages
54. Unit of time (abbr.)
55. Frequency division multiple access (abbr.)
57. Time delay (abbr.)
58. Chemical symbol for einsteinium
59. Akin to an EE, CE, AE, etc.
61. ___-AZIMUTH telescope mount
63. Home state of Los Alamos lab (abbr.)
65. Chemical symbol for lutetium
66. Negative temperature coefficient (abbr.)
69. Electrical overstress (abbr.)
70. The common connection for all parts of a circuit that connect to the negative side of the power supply (2 wds.)
2. Chemical symbol for tantalum
3. Chemical symbol for erbium
4. Ovenized crystal oscillator (abbr.)
5. Removed insulation from a wire
6. Chemical symbol for chlorine
7. Chemical symbol for terbium
8. Modern battlefield technique (abbr.)
9. That which has mass and occupies space (pl.)
10. Start frequency (abbr.)
14. Electrical terminal, normally left unconnected at one end (pl.)
16. Chemical symbol for calcium
17. Unit of length equal to 5.5 yards
18. Cable covered by strong jacket
19. Chemical symbol for silicon
20. Circuit for maintaining constant voltage (abbr.)
22. Specialized mobile radio (abbr.)
24. Reflection where light arriving from a single direction is reflected in a many different directions
25. Unit of apparent power (abbr.)
28. Oscillator type that is referenced to an external source (abbr., pl.)
29. Positively doped silicon
31. Greek letter, used to indicate summation
33. Issac Newton's mathematical contribution
37. Megohm (abbr.)
39. Chemical symbol for selenium
44. Logic family
46. Precision landing system (abbr.)
49. Band between RF and BB
50. Miniature threaded RF connector
53. Related to FM by a differential
56. Chemical symbol for aluminum
60. Signal-to-noise ratio (abbr.)
62. Test equipment (abbr.)
63. Unit of inductance (abbr.)
64. 1/000 of an amp (abbr.)
65. Chemical symbol for lithium
67. Part of a FOR loop
68. Chemical symbol for copper

See solution below

Microwave Engineering Crossword Solution, March 11, 2012 - RF Cafe
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