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RF Engineering Crossword Puzzle
November 10, 2013

2013 Crosswords Archive

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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March 3

February 24

February 17

February 10

February 3

January 27

January 20

January 13

January 6

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

RF Engineering Crossword Puzzle for 11/10/2013 - RF Cafe

1. Ham's code for "Does my frequency vary?"

4. Angle at which a radio signal is refracted in the ionosphere (2 wds.)

14. Volt, meter, pint, pound, eg.

16. Under self-control (prefix)

19. Describes a region on a semiconductor that has a linear and symmetric I-V curve

20. System for guiding aircraft (abbr.)

21. A common battery cell size

22. Smartphone display (abbr., pl.)

24. Chemical symbol for chlorine

25. Part of this website's title

27. Modern battlefield technique (abbr.)

28. Negative temperature coefficient (abbr.)

29. Internet protocol (abbr.)

31. Test point (abbr.)

33. RF ____, the world's best engineering website

36. ___/IP scheme for networked connectivity

38. An array of 12 or 16 numbered keys that generate the standard telephone dual tone multifrequency (DTMF) dialing signals (2 wds.)

39. Vacuum tube with five elements (not including the heater, pl.)

41. Ham-ese for Young Lady

43. Analog-to-Digital (abbr.)

44. European equivalent to the U.L.

45. Switch types with guaranteed default position

47. Stock symbol for Skyworks Solutions

49. One type of electron spin

50. Chemical symbol for argon

51. Amateur Radio Emergency Service (abbr.)

54. Network department (abbr.)

55. Change from one thing into another

58. 12 inches

60. Co-channel rejection ratio (abbr.)

62. No insulation

63. Part of a FOR loop

64. Precision landing system (abbr.)

65. He developed an alphabet composed of dots and dashes

66. Voltage-current phase mnemonic

67. 1/000 of an amp (abbr.)

68. Erbium Doped Fiber Amplifier (abbr.)

70. A compiler directive

71. Gasoline, diesel, etc.

72. International phonetic alphabet letter "R"

74. Chemical symbol for molybdenum

75. Refers to the IEEE802.11 networks (abbr.)

77. Start frequency (abbr.)

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

79. Geometric entity with only length

81. Hand-held calculator for NASA's Gemini era engineers

82. Chemical symbol for einsteinium

84. Time delay (abbr.)

86. One port of an amplifier

87. Determination of cause and effect

89. Etched parallel lines

91. File name extension for an ASCII file

92. Institute of Electrical and Electronics Engineers

94. Chemical symbol for silicon

95. Chemical symbol for silicon

96. Silicon transistor type (abbr.)

97. Chemical symbol for gold

98. Filter type that blocks upper frequencies (abbr.)

100. Chemical symbol for lithium

101. Stock symbol for Linear Technologies

104. Ratio of circumference to diameter

105. Unit of current

107. Scheduling graph types

111. Antenna radiated power measurement (abbr.)

112. Cable television (abbr.)

114. Semiconductor device that varies its transconductance according to light intensity

115. Automated Test Equipment (abbr.)

1. Ratio of reactance to resistance

2. Rádio Nacional de Angola (abbr.)

3. Opposite of a LO

4. Coder/decoder (abbr.)

5. Band between RF and BB

6. Galilean moon

7. An integrated circuit reverse-engineering company, in Ontario, Canada (2 wds.)

8. Modulation type (abbr.)

9. Illuminated

10. Type of current flow (abbr.)

11. Chemical symbol for gallium

12. Type of high frequency circuit substrate (abbr.)

13. High-speed logic family

15. Telex-Over-Radio (abbr.)

17. Electrical safety organization (abbr.)

18. Coefficient of temperature (abbr.)

23. ____ Meet, a Ham's flea market

26. Network file transfer protocol (abbr.)

28. Chemical symbol for neptunium

30. Type of graph with a circular grid

32. Plane curve traced out by a point which moves so that its distance from a fixed line is equal to its distance from a fixed point

34. Finite Element Analysis (abbr.)

35. Last keyword in a BASIC subroutine (pl.)

37. Chemical symbol for cesium

40. Antenna type derived from simple weighted wires dropped from Zeppelin airships

42. Form of energy arising from the kinetic energy of atoms and molecules

44. Chemically react to harden

46. Chemical symbol for strontium

48. The "W" in AWG

52. Official engineering change document (abbr., pl.)

53. Threaded fastener

55. Snail and E are examples of this

56. Type of logic gate

57. Describes a component affected by temperature changes (2 wds., hyph.)

58. First-in, first-out, abbr.

59. Unix, Linux or Windows (abbr.)

61. Receiver power level circuitry (abbr.)

62. Resistor used to drain voltage off of a high potential supply (pl.)

65. Elementary particle

66. Chemical symbol for europium

68. Nuclear explosion byproduct harmful to electronic (abbr., pl.)

69. Morse Code for "from"

71. Software storage unit

73. Circuit path with very high or infinite impedance

74. Unit of power

76. Start frequency (abbr.)

77. Takes to the air

80. European Telecommunications Standards Institute (abbr.)

83. Integrated data onto a carrier wave

85. Singulated piece of IC wafer

87. Chemical symbol for arsenic

88. Impenetrable physical barrier

90. Lubricant

91. Army-Navy specification prefix

93. Swiss mathematician who extensively studied complex numbers

96. Battery cell chemistry type (abbr.)

99. Common plastic insulation type (abbr.)

100. Once around a circuit

102. Semiconductor and calculator company (abbr.)

103. Chemical symbol for chromium

104. Push to Talk (abbr.)

106. Chemical symbol for polonium

107. Chemical symbol for polonium

108. One component of a complex number (abbr.)

109. Chemical symbol for selenium

110. Unit of liquid measure (abbr.)

113. A common battery cell size

See solution below

















RF Engineering Crossword Puzzle Solution for 11/10/2013 - RF Cafe

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