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Copyright: 1996 - 2024
Webmaster:
    Kirt Blattenberger,

    BSEE - KB3UON

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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November 15, 2009 Engineering & Science Crossword Puzzle


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

Wireless & RF Engineering Crossword Puzzle - RF Cafe

ACROSS
1. ______ + 47A, waveguide components manufacturer in Melbourne, Australia; also, a mathematical quantity that has both direction and magnitude
3. Trigonometry function for opposite/adjacent side ratio
9. Aircraft tracking system (pl.)
12. Type of data conversion device (abbr., pl.)
13. Snail and E are examples of this
14. Parameter that is a figure of merit for receiver performance in presence of multiple signals (abbr.)
16. Automatic Packet Position Reporting System (abbr.)
18. Computer interconnection scheme (abbr.)
20. ___ Industries, RF switch & attenuator manufacturer located in Indianapolis, IN
22. Prefix meaning temperature-related
23. Greek letter used for resistance
24. Soften metal
26. Rotate about the vertical axis
27. ___ + Material + 18D, manufacturer of circuit substrates, in Palatine, IL
28. French mathematician and physicist who's name is used as a unit of gas pressure
30. Work out the solution to an equation
31. Greek mathematician who wrote the book "Elements of Geometry"
34. 24 hours
36. "Texting" (abbr.)
39. Compliment to 38D
40. Aerodynamic opposition to thrust
41. Stock symbol for Linear Technologies
44. Code for a type of electrical wire insulation
46. Initial current when a motor is first turned on
47. 1A + 47A, waveguide components manufacturer in Melbourne, Australia; also, shorthand for communications at a distance
48. Unit of current
DOWN
1. Electrical unit of potential difference
2. The highest numerical exponent describes this property of a polynomial
3. Time Division Multiple Access
4. Type of current flow (abbr.)
5. Unit of time (abbr.)
6. Electromagnetic (abbr.)
7. 1e-6 mA
8. Image file format name extension
10. Colorado resort town
11. Threaded tuning rod in a coil
14. Rhode & _______
15. _______ Microwave, SSPA manufacturer in Trenton, NJ; also a type of jet fighter
17. A class of filter used to assure the spectral content of transmitted signal
18. 27A + Material + _____, manufacturer of circuit substrates, in Palatine, IL
19. Containing interfering information
20. Mr. Joule's first name
21. One property of light (pl.)
22. Transformer interwinding connection
25. Display type
29. Chemically reacts to harden
32. Optical storage medium
33. Slang for helicopter
35. Power supply vendor in Minneapolis, MN
37. Megaohm (abbr.)
38. Compliment to a zero in a polynomial
42. Test equipment (abbr.)
43. Chemical symbol for chlorine
44. Coefficient of temperature (abbr.)
45. Chemical symbol for holmium


See solution below



















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