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Science & Engineering Crossword Puzzle
July 24, 2016

This week's tech-themed crossword puzzle, as is the case every week, contains only words pertaining to science, engineering, amateur radio, physics, mechanics, mathematics, etc. Making a special appearance is the name of the most recent company to support RF Cafe through advertising. You will see their banner graphical ad appearing in the right page border sometime this week. Opportunities exist for your company to advertise if you are interested.

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

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

1. Contactless homemade (usually) inductive and/or capacitive test cable end for tracing RF signals on a PCB or in a chassis (2 wds., pl.)

9. Filter type (abbr.)

10. Electronic warfare defense (abbr.)

12. Amateur radio abbreviation for the Oceania region (abbr.)

14. Army-Navy specification prefix (abbr.)

15. RF power sensor and power meter company in Santa Rosa, CA

19. 1e-6 mA

20. Ham abbreviation for "distant station"

21. Type of data conversion device (abbr.)

23. World's largest yearly convention of gadget and device manufacturers (abbr.)

24. Heatsink feature

26. Relative power level unit (abbr.)

27. Type of Morse Code key

29. Heterojunction Bipolar Transistor

32. The "F" in EMF (pl.)

34. Family of ICs with a certain component density level (abbr.)

36. The "F" in EMF

38. Exponent that returns the original number

40. Multifunctional silicon devices (abbr.)

41. World Amateur Radio Conference

42. International phonetic alphabet letter "M"

43. Opposite of I.D.

44. Unit of weight

45. Substrate for mounting components (abbr.)

47. Curly-Q type light bulb (abbr.)

49. Logic gate output configuration (abbr.)

51. Semiconductor On Insulator (abbr.)

52. Stock symbol for Lockheed Martin

53. Chemical symbol for radon

54. One type of electron spin

56. Chemical symbol for polonium

57. Chemical symbol for tantalum

59. What is the alternative name for a pi meson

60. Setting a steady-state voltage reference

61. Web page language

62. Morse Code for "from"

63. Electromagnetic (abbr.)

64. Ratio of circumference to diameter

65. Internet protocol (abbr.)

67. Electrical overstress (abbr.)

68. Common shorthand reference for a capacitor

70. Type of computer display (abbr.)

72. Signal-to-noise ratio (abbr.)

73. Network file transfer protocol (abbr.)

74. Unit of atmospheric pressure (abbr.)

75. Network department (abbr.)

77. Considered the 4th dimension

79. He, along with Mr. Savart, developed a law that describes a magnetic field generated by an electric current

80. Greek letter used for frequency

81. Display type

83. Web service for cross referencing domain names, IP addresses, owners, etc.

86. Method of sending high-speed digital signals on electric distribution wires, a Ham's nemesis (abbr.)

87. Spurious signal produced in a receiver

91. Last statement in a BASIC program

92. Part of CRC

95. Broadband Signal Intrusion (abbr.)

97. Code for a type of electrical wire insulation (abbr.)

99. Attenuator

100. Digital voltmeter (abbr.)

102. One port of an amplifier

103. Akin to an EE, CE, AE, etc.

105. One sampling port of a directional coupler

107. Home state of Los Alamos lab (abbr.)

108. Chemical symbol for lead

109. Type of chart

111. Ham's code for "Shall I decrease power?"

112. Frequency for detecting and recording data (2 wds., pl.)

1. 2 GHz to 4 GHz

2. Silicon transistor type (abbr.)

3. Band between RF and BB

4. Straight line emanating from a point source

5. Chemical symbol for beryllium

6. Engineering Change Notice (abbr.)

7. The "S" in SOIC


11. Went beyond published limits

13. Chemical symbol for cadmium

15. Mr. de Forest's first name

16. Chemical symbol for arsenic

17. Unit of capacitance (abbr.)

18. Image file format name extension

20. Logarithmic ratio (abbr.)

22. Printer output resolution unit (abbr.)

23. Chemical symbol for chlorine

25. Chemical symbol for nickel

26. Digital storage oscilloscope (abbr.)

28. Translated higher frequencies to lower frequencies

29. Opposite of a LO

30. An amateur station transmitting communications for the purpose of observation of propagation and reception or other related experimental activities (2 wds.)

31. Chemical symbol for thallium

33. Describes stationary charges

35. Chemical symbol for scandium

36. A BPF specification (abbr.)

37. Decimeter (abbr.)

39. Chemical symbol for nobelium

44. Performs a quantum mechanical potential barrier feat

45. Unit of time (abbr.)

46. Chemical symbol for bismuth

48. Its chemical symbol is Li

50. The Brits call them valves

52. A concern of Boolean equations

53. Unit of length equal to 5.5 yards

55. Spurious RF products created by metal joints (abbr.)

56. Silicon transistor type

58. Test document for verifying proper function (abbr.)

66. Boring implement (2 wds.)

68. Chemical symbol for californium

69. Min-to-max voltage of a waveform (abbr.)

71. Units of electrical charge

76. Chemical symbol for scandium

78. Modern battlefield technique (abbr.)

79. Filter type that blocks frequencies in a specified band (abbr.)

80. Chemical symbol for neptunium

82. Antenna gain unit (abbr.)

84. Chemical symbol for helium

85. Opposite of O.D.

86. Digital pattern coding type (abbr.)

88. Increases voltage linearly

89. Network department (abbr.)

90. 30 GHz to 300 GHz

92. Software drafting tool (abbr.)

93. Yard (abbr.)

94. Lights

96. Chemical symbol for tin

98. Write-Once (abbr.)

99. Chemical symbol for praseodymium

101. Abbreviation for peak voltage

104. Electronics Industry Association (abbr.)

106. Computer interconnection scheme (abbr.)

107. The design component of total product cost (abbr.)

110. Electromagnetic (abbr.)

111. Unit of liquid measure (abbr.)

See solution below


Visit the Crossword Express website - RF CafeTake a break from the drudgery by trying 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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