April 19, 2009 Engineering & Science Crossword Puzzle

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

RF Cafe: Science & Engineering & Science Crossword Puzzle


1. Positively charged ion

7. The most distant point of an orbit from the earth

12. ELI the ICE ___

13. Electrical circuit diagram

14. Half of a DIP

16. Opposite of I.D.

17. Shorthand for liquid oxygen

18. Negative temperature coefficient, abbr.

20. Astronomical Unit (93E6 miles)

21. End Of Transmission

22. Swiss mathematician who extensively studied complex numbers

23. Type of data conversion device, abbr.

25. Device for allowing two surfaces to rotate wrt each other, pl.

28. Indium Gallium Arsenide semiconductor

30. Last statement in a BASIC program

31. Mr. Piper's famous yellow airplane

33. Fast Fourier Transform

34. Type of chart

35. Type of flip-flop

37. CRT or LCD, for example

39. Type of flip-flop

40. He united electricity and magnetism into the concept of the electro-magnetic field

41. Chemical symbol for chlorine

42. Softens metal

44. Home state of Los Alamos lab

46. Mr. de Forest's first name

48. Intermodulation distortion, abbr.

49. Unit of current

51. Chemical symbol for beryllium oxide

52. British astronomer ... Halley

54. Describes an amplifier capable of tolerating any complex source/load impedance

56. IC killer

57. Voltage limiter

58. Akin to WAC, only just in America

59. One component of a complex number, abbr.

61. Manufacturer of project boxes

63. U.K. equivalent of the IEEE

64. Chemical symbol for cobalt

65. Semiconductor On Insulator, abbr.

67. Charge storage device

70. Archaic Japanese unit of length equal to 30.3 mm

71. Verbal communications

72. Mate a plug to a jack


1. Software drafting tool, abbr.

2. Army-Navy specification, abbr.

3. RF connector & cable vendor in Farmingdale, NY

4. Ovenized crystal oscillator, abbr.

5. Nanohenry, abbr.

6. Amplifier vendor in Souderton, PA

7. PC follower

8. Part of a male connector

9. An arc of a circle equal to one eighth of its circumference

10. Chemical symbol for einsteinium

11. Electronics Industry Association

12. ______-board

15. Short waveform excursions from a reference state

17. Basis for decibels, abbr.

19. CDMA Development Group, abbr.

21. Last statement in a BASIC program

24. Common shortcut reference for a capacitor

26. Put a new program on a computer

27. Add two or more inputs

28. Discipline for aircraft navigation in low visibility environments, abbr.

29. Common platform for synthetic aperture radar, pl.

32. Company that markets Delphi software

33. Equation

36. Wheel attachment points

38. One cutoff frequency specification for a bandpass filter

41. Sets the flip-flop output to "0"

42. Stock symbol for Advanced Micro Devices

43. Specialized mobile radio

45. Movement

47. Using the moon as a passive reflector to establish a signal path; moonbounce, abbr.

48. Transfer charge w/o physical contact

50. Physical quantity defined as being the work done per unit time, pl.

51. Data transmission pathway

53. Upper Sideband

55. British Aerospace Electronics

60. Electrical overstress, abbr.

62. Type of data conversion device, abbr.

63. Charged particle

64. Describes the action of cleaving a crystal plane

66. Internet protocol, abbr.

68. Picohenry, abbr.

69. Semiconductor and calculator company, abbr.

70. Chemical symbol for strontium

See solution below

RF Cafe: Science & Engineering & Science Crossword Puzzle