Science & Electronics Crossword Puzzle
June 18, 2017

This week's tech-themed crossword puzzle, as is the case every week, contains only words pertaining to engineering, amateur radio, science, physics, mechanics, mathematics, etc. If you want to exploit your knowledge of movie star names, obscure towns in obscure countries, movies, literature, television shows, or clothing designers, then you will need to find yourself an edition of the NY Times or the Boston Herald.


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

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

Science & Electronics Crossword Puzzle for June 18, 2017 - RF Cafe

ACROSS DOWN
1. Electronics Industry Association (abbr.)

4. Organization requiring 25 years of amateur service for membership, abbr.

7. Numerical prefix meaning 10 (var.)

10. Unit of resistance

13. Additive white Gaussian noise

14. Chemical symbol for rhodium

15. Unit of time (abbr.)

16. Logic gate

18. Stock symbol for Boeing

19. Semiconductor On Insulator (abbr.)

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

22. Electromagnetic (abbr.)

23. Newest buzz phrase for ubiquitous remote control and monitoring of everything (abbr.)

25. Positive voltage lead color

27. End of transmission (abbr.)

29. 3 GHz to 30 GHz

30. A listing of the conditions of the Earth's magnetic field as measured at Boulder, CO

32. The lowest region of the ionosphere found approximately 25 to 55 miles above Earth (hyph.)

35. ESD protective apparel

38. Unit of energy

40. Elementary particle

43. Erbium Doped Fiber Amplifier (abbr.)

44. How number is described if it is equal to the sum of all of its factors, excluding the number itself

48. Military Auxiliary Radio System

49. Decimeter (abbr.)

50. Snail and E are examples of this

52. The "O" in ROM

55. Chemical symbol for selenium

56. Point in an revolving object's orbit that is farthest to the body it is orbiting (pl.)

59. Integrated data onto a carrier wave

62. Organization requiring 25 years of amateur service for membership, abbr.

63. Unit of length (abbr.)

64. Chemical symbol for mendelevium

65. Raise a number to the 3rd power

66. Rubber or plastic donut-shaped insert for protecting pass-through wires

70. The "C" in AC or DC

74. Modulation type (abbr.)

76. A common lamp tube gas

78. 72 Down + ____, the world's best engineering website

79. Type of current flow (abbr.)

81. 12.36 us is called a radar ____

84. Small computer program that performs some very useful function

87. 10E-12 numerical prefix

89. The fourth state of matter, which occurs in stars and fusion reactors

92. A keyboard key

93. Displays a radar target

95. Factor of ten

98. Typical bandwidth of a directional coupler

101. RĂ¡dio Nacional de Angola (abbr.)

103. Software engineering tool (abbr.)

104. Gun safety and education organization (abbr.)

105. Cooling device

106. Unit of liquid measure (abbr.)

108. Personal Handy Phone System (abbr.)

109. Imaging device (abbr.)

111. Chemical symbol for gadolinium

112. Unintended frequency product from a mixer

114. Chemical symbol for plutonium

117. Chemical symbol for arsenic

118. Miniature threaded RF connector (pl.)

120. Transformer interwinding connection

121. Million multiply accumulate operations (abbr.)

122. Fourth largest asteroid

123. ELI the ICE ___

1. Modern battlefield technique (abbr.)

2. A three-terminal power semiconductor device noted for high efficiency and fast switching (abbr.)

3. Automatic network analyzer (abbr.)

4. Ham's code for "Shall I send more slowly?"

5. Dimension from wing LE to TE

6. Chemical symbol for arsenic

7. Ham abbreviation for "distant station"

8. Runge-_____ method in differential equations

9. MS's server-side script engine for dynamically-generated web pages (abbr.)

10. Exponent that returns the original number

11. Amateur radio operators

12. Chemical symbol for manganese

13. Under sampled

17. The "D" in DARPA

20. U.K. equivalent of the IEEE

21. Online service

24. Output intercept point (abbr.)

26. One who DXs

27. Quickly changing portion of waveform

28. Mr. de Forest's first name

30. A common battery cell size

31. Unit of time (abbr.)

33. Ham-ese for Young Lady

34. Angular speed unit

36. Time Division Multiplexing

37. Part of this website's title

39. Radio frequency interference (abbr.)

41. Chemical symbol for tantalum

42. Type of logic gate (pl.)

44. Type of chart

45. Helium, iron, silicon, or uranium, for example

46. Promote the flow of electrical current

47. RF connector type

50. Chemical symbol for molybdenum

51. Chemical symbol for silver

53. Local Oscillator (abbr.)

54. Yard (abbr.)

56. Conductor size unit (abbr.)

57. Precision approach radar (abbr.)

58. Surface Mount Technology

59. Science of assuring operation amid dense EM background noise (abbr.)

60. Engineering Change Notice (abbr.)

61. Device under test (abbr.)

67. Switch position

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

69. Minutes of Use (abbr.)

71. Straight line emanating from a point source

72. __ + 78 Across, the world's best engineering website

73. BS__ - the degree held by many RF Cafe visitors

74. Units of current

75. 1/000 of an inch

77. Precision landing system (abbr.)

79. Logic family

80. Trigonometric function equal to the ratio between the side adjacent to a given angle, and the hypotenuse (pl.)

82. Chemical symbol for lanthanum

83. IC killer (abbr.)

85. Institute of Electrical and Electronics Engineers

86. Small representative graphic

87. Type of chart

88. One port of an amplifier

90. Akin to EEs, CEs, AEs, etc. (abbr., pl.)

91. Type of current flow (abbr.)

93. Last stage in a transmitter (abbr.)

94. A feedback scheme to level out the receiver audio volume (abbr.)

96. Unwanted 60- or 120- Hz modulation due to poor power supply filtering (2 wds.)

97. 10E1 numerical prefix (pl.)

99. Error checking scheme (abbr.)

100. Radio navigation system (abbr.)

102. Prefix meaning "water"

105. Frequency division multiple access (abbr.)

107. Total radiated power (abbr.)

108. Parts per million (abbr.)

110. Digital storage oscilloscope (abbr.)

111. Global System for Mobile Communications (abbr.)

113. Chemical symbol for platinum

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

116. Unit for 1,000 watt-seconds (abbr.)

119. Army-Navy specification prefix


See solution below

 

2017 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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A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

December 31

December 24

December 17

December 10

December 3

November 26

November 19

November 12

November 5

October 29

October 22

October 15

October 8

October 1

September 24

September 17

September 10

September 3

August 27

August 20

August 13

August 6

July 30

July 23

July 16

July 9

July 2

June 25

June 18

June 11

June 4

May 28

May 21

May 14

May 7

April 30

April 23

April 2

March 26

March 19

March 12

March 5

February 26

February 19

February 12

February 5

January 29

January 22

January 15

January 8

January 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Science & Electronics Crossword Solution for June 18, 2017 - RF Cafe