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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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March 22, 2009 Engineering & Science Crossword Puzzle


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

RF Cafe: Engineering & Science Crossword Puzzle

ACROSS

1. Chemical symbol for antimony

3. Add two or more inputs

6. Chemical symbol for tin

8. Excess noise specification

11. Its chemical symbol is Fe

12. Physicist after whom a law describing the direction of EMF and current resulting from induction is named

14. The "D" in CD

15. Chemical symbol for arsenic

17. Audio Frequency

18. Chemical symbol for cobalt

19. Chemical symbol for francium

20. Chemical symbol for lanthanum

22. Chemical symbol for rhodium

25. PC follower

27. Fremont, CA based company that designs, develops and markets high-performance, analog and mixed-signal silicon solutions for the worldwide communications infrastructure.

30. Logic gates

32. First name of a British scientist of falling apple fame

33. Band between RF and BB

35. Chemical symbol for platinum

36. Min-to-max voltage of a waveform

38. Boob tube, abbr.

40. One port on a FET

42. Lunar 'seas'

44. Physical barrier

46. Electronics manufacturer with "meatball" logo

47. Network department, abbr.

49. Chemical symbol for niobium

50. Test point, abbr.

51. Internet protocol, abbr.

53. Chemical symbol for selenium

54. Type of current flow

55. Monolithic microwave integrated circuit, abbr.

57. Voltage-controlled crystal oscillator, abbr.

59. Stock symbol for Intel

61. A non-geometrical growth rate

63. Type of logic gate

64. Unit of energy

65. Analog-to-Digital

DOWN

1. Semiconductor On Insulator, abbr.

2. Maker of high power attenuators in Solon, OH

3. Thermocouple, photodetector, limit switch, for example

4. Microfarad, abbr.

5. 1/000 of an inch

6. Archaic Japanese unit of length equal to 30.3 mm, pl.

7. Non-return to zero, abbr.

9. Small DIP package, abbr.

10. Equipment

13. A feed line with two conductors having equal but opposite voltages, with neither conductor at ground potential, 2 wds.

16. Ability to store a charge, pl.

21. Filter that rejects lower and higher frequencies

23. Chemical symbol for helium

24. Like the moon

26. Time delay, abbr.

28. Greek letter

29. Application Service Provider, abbr.

31. Chemical symbol for silicon

34. Foot, abbr.

37. Type of chart

39. Abbreviation for minimum voltage

41. 1e-6 mA

43. Chemical symbol for silver

45. Chemical symbol for lithium

48. Sequence of events in digital circuitry

50. Temperature-compensated crystal oscillator, abbr.

52. Unit of volume

54. Adjacent Channel Power Ratio

56. Cellular Telecommunications Industry Association

57. Variable crystal oscillator, abbr.

58. Exponent that returns the original number

60. Software drafting tool, abbr.

62. Chemical symbol for erbium


See solution below

RF Cafe: Crossword solution

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