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Kirt Blattenberger - RF Cafe Webmaster

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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