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About RF Cafe

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 tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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8/20/2007 Engineering & Science Crossword Puzzle

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.

RF Cafe: Engineering & science crossword puzzle

ACROSS

1. Type of oscillator, abbr.

2. Stock symbol for Texas Instruments

4. Chemical symbol for rhodium

5. Substrate for mounting components, abbr.

8. Unit of inductance, abbr.

10. Chemical symbol for silver

11. Pseudomorphic high-electron-mobility transistor, abbr.

12. Frequency pass range of a filter, abbr.

14. Chemical symbol for niobium

16. Indium phosphide, abbr.

18. Semiconductor and calculator company, abbr.

19. Directions for verifying proper function, abbr.

21. A measure of linearity and spectral purity

23. Change in the carrier frequency of a FM transmitter produced by the modulating signal

24. Miniature RF connector

25. BlackBerry, Jordana, etc., abbr.

26. Chemical symbol for tin

28. Amateur Radio Association

30. Chemical symbol for cobalt

31. Galilean moon

32. Connector attachment method

33. Army-Navy spec

34. Synchronous Digital Hierarchy

36. Frequency division duplex, abbr.

37. The voltage point of a BJT discovered by the man after whom it is named

40. Determined the period between events

43. Elementary particle

44. ECM response

45. Short for synchronous

48. RF Integrated Circuit

52. International phonetic alphabet letter "I"

53. _____-Kutta method of differential equations

55. BASIC looping keyword

56. Applied Computational Sciences, abbr.

58. Chemical symbol for radon

59. Has a positive phase wrt a reference

62. Opposite of a LO

63. Chemical symbol for arsenic

64. Grade given to a successful go-nogo test

66. Switch position

67. Type of flip flop

68. Having a ferromagnetic center

70. Narrowband Advanced Mobile Phone System

75. Analog-to-Digital

76. Unix, Linux or Windows

78. Between-series connector

81. 1e3 uV

82. Chemical symbol for neon

83. Longerons

84. Chemical symbol for selenium

85. Part of a FOR loop

87. Unit of current

88. Ratio of circumference to diameter

89. Rádio Nacional de Angola, abbr.

90. Positive voltage lead color

DOWN

1. Unit of capacitance, abbr.

3. Greek letter

4. Computer monitor cable type, abbr.

5. Greek letter

6. Binary star system nearest to earth

7. Graphics file extension

9. Heterojunction Bipolar Transistor

10. Determination of cause and effect

13. Gold conductor connection to a die

15. Components in a parts list

17. _____&Schwarz

19. Agilent's EE design software

20. Type of wire insulation

21. End of soldering iron

22. Motorola's Digital ___

27. Current summing point

28. Scale manufacturer in East Rockaway, NY

29. A non-commercial radio service as set by a recognized cognizant government agency, 2 wds.

30. Computer Assisted Design and Development

35. Amateur radio enthusiast

36. Finite-Element Model

38. Chemical symbol for ruthenium

39. Its signal is injected into a mixer, abbr.

41. RF__, SO__, MM__, etc.

42. The equivalent of MHz

45. Signal-to-Noise Ratio

46. Unit of length, abbr.

47. Chemical symbol for nickel

49. Upper frequency, abbr.

50. One port of an amplifier

51. Column Grid Array, abbr.

52. Charged particles

54. Radar return signal

55. Numerical quantity that is not a whole number

57. Trigonometric shape

59. Chemical symbol for lanthanum

60. Amplifier Solutions Corporation, of Colmar, PA, abbr.

61. A measure of receiver sensitivity, abbr.

64. Max or min voltage of a waveform

65. Electronics manufacturer with "meatball" logo

67. Prefix for semiconductor PNs for military use

69. U.S. military agency, abbr.

71. A common battery cell size

72. RF systems company in Rochester, NY

73. International phonetic alphabet letter "P"

74. Junk e-mail

75. Chemical symbol for argon

77. Adjust a pot

79. Total Radiated Power

80. Chemical symbol for einsteinium

81. Degree of IC sophistication

86. Logic gate

88. Chemical symbol for palladium


Answer below

 

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