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5/17/2008 Engineering & Science Crossword Puzzle
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Reproduction of this puzzle without the express
permission of RF Cafe is prohibited.
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![RF Cafe: Engineering & science crossword puzzle](images/crossword-5-17-2008.gif)
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ACROSS 1. Major opamp IC manufacturer headquartered
in Norwood, MA 9. Cable termination type 10. Using the
moon as a passive reflector to establish a signal path; moonbounce,
abbr. 12. Audio Frequency 14. Network department, abbr.
15. Plasma atmosphere layer of the sun, pl. 19. Chemical
symbol for calcium 20. Chemical symbol for aluminum 21.
Japanese semiconductor & equipment manufacturer 23. Manufacturer
of project boxes 24. End of soldering iron 26. Gun safety
and education organization, abbr. 27. Send information
29. Binary Coded Decimal 32. Geometrical body, similar to
a prism, that has end faces with the same number of sides but
which are not equal 34. Stock symbol for Advanced Micro Devices
35. Sent a message via Morse Code 37. Positive voltage lead
color 38. Chemical symbol for lithium 39. Stock symbol
for Google 40. Transceiver, abbr. 41. Chemical symbol
for silicon 42. Cooling device 43. Rádio Nacional de Angola,
abbr. 45. Upper Sideband 47. High-speed logic family
49. Negation prefix 50. Data transmission pathway 51.
Greek letter (micro) 52. Infrared, abbr. 54. Chemical
symbol for gold 55. Modulation type, abbr. 57. Unit of
time 58. Radio navigation reference signal, pl. 59. Small
representative graphic 60. Greek letter 61. Chemical symbol
for radium 62. Morse Code for "from" 63. Decimeter, abbr.
65. Finite Element Analysis, abbr. 66. Amateurese for "wife"
68. Special diode that can be switched, abbr. 70. Radio Frequency
Interference, abbr. 71. 30 Hz to 300 Hz 72. Archaic unit
of length 73. Home state of Los Alamos lab 75. Unit of
energy, pl. 77. Mechanical engineering group, abbr. 78.
Chemical symbol for argon 79. Networks International Corporation,
abbr., manufacturer of custom RF & microwave filters, Overland
Park, KS 81. Joined a male and a female connector 84.
Ham's code for "Answer in prearranged order." 85. Went beyond
published limits 89. Metal parts engineers, abbr. pl.
90. Not external 93. Semiconductor lamp 94. User Datagram
Protocol 96. Common average used for sinewaves 97. Internet
address, abbr. 98. Chemical symbol for erbium 99. Chemical
symbol for rhodium 101. Measured a waveform at regular intervals
103. Type of current flow 104. European equivalent to the
U.L. 105. Switch position 107. Permeability-Tuned Oscillator
108. Ionized trails of meteors used as a reflecting media, 2
wds. |
DOWN 1. Consequence of under sampling
2. Mate to a bolt 3. Chemical symbol for silver 4. Digital
Storage Oscilloscope 5. European equivalent to the U.L.
6. Electromagnetic compatibility, abbr. 7. Physical barrier,
pl. 8. Capacitor dielectric type 11. Protective covering
13. Enrico _____, nuclear physicist 15. Describes the action
of cleaving a crystal plane 16. Opposite of I.D. 17. PC
follower 18. Half of a DIP 20. Connector vendor headquartered
in Bristol, PA 22. Software drafting tool, abbr. 23. Chemical
symbol for bismuth 25. Chemical symbol for praseodymium
26. Type of logic gate 28. Entity created by virtue of a
changing electric field 29. Chemical symbol for beryllium
30. Super glue 31. Morse Code for "from" 33. An electrical
specification for a motor when it is first started 35. Mass
unit, abbr. 36. Ham abbreviation for "distant station"
42. Type of numerical transform used in electronics 43. Chemical
symbol for radon 44. Army-Navy spec 46. Type of ground
strap wire 48. Constellation : The scales 50. Data transmission
pathways 51. Multiplexer, abbr. 53. Government program
to bring electricity to farms, abbr. 54. Logic gate 56.
Wire diameter unit 64. Performed a quantum event by penetrating
a seemingly impassable barrier 66. Chemical symbol for xenon
67. 30 kHz to 300 kHz 69. Circuit configuration whereby current
from a source flows through multiple paths 74. A circuit
that takes two or more input signals, and produces an output
that includes the sum and difference of those signal frequencies
76. Surface mount, abbr. 77. Analog-to-Digital 78. Association
of North American Radio Clubs 80. Imaging device, abbr.
82. Modulation type, abbr. 83. Chemical symbol for einsteinium
84. Ham's code for "The net has traffic for you. Stand by."
86. Type of reconfigurable memory, abbr. 87. Chemical symbol
for europium 88. Direct Digital Synthesis 90. Intermodulation
distortion, abbr. 91. Unit of time 92. Electrical enclosure
company in Rochester, MN 95. Last stage in a transmitter,
abbr. 96. One component of a complex number, abbr. 100.
High Frequency Electronics magazine, abbr. 102. Last stages
in transmitters 103. Automated Test Equipment 106. Foot,
abbr. 107. Chemical symbol for platinum |
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See solution below
![RF Cafe: Engineering & science crossword puzzle solution](images/crossword-5-17-2008s.gif)
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