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Science Crossword Puzzle December
16, 2012
|
Reproduction of this puzzle without the express permission
of RF Cafe is prohibited.
![Science Crossword Puzzle for December 16, 2012 - RF Cafe](images/science-crossword-12-16-2012.gif)
ACROSS |
DOWN |
1. International Amateur Radio
Union (abbr.) 4. Binary Coded Decimal 7. 24 hours 10.
Type of antenna with an element made of a single, flexible rod
or tube 14. Type of logic gate (pl.) 15. Kilocycles
16. Electronics Industry Association (abbr.) 17. American
space agency (abbr.) 19. Add solder to tip of iron 20.
Constellation : The lion 21. 36 inches 22. Intermodulation
distortion (abbr.) 24. Computer I/O interfaces; i.e., USB,
serial, parallel 26. Attenuator 28. Logarithmic reflectivity
unit 30. Government program to bring electricity to farms
(abbr.) 31. Numerical basis for decibels (abbr.) 33. ARRL's
magazine 35. Term used in soldering to achieve the condition
that occurs when the metals being soldered are hot enough to
melt the solder so it flows over the surface 37. Peak envelope
power (abbr.) 38. Network file transfer protocol (abbr.)
40. One factor of a polynomial 42. Adjusted the specification
for temperature 45. Radio signal route 46. Remove insulation
from a wire 48. One tier of a PCB 49. Frequency (pl.)
50. Joined a male and a female connector 51. Threaded fastener
52. Adds an impurity to a semiconductor 54. Wire 56. Constellation
of The Whale 59. Longitudinal shape-forming structural element
60. Company that markets Delphi software 62. Move from cell
to cell 63. Lubricant 64. Parts per million (abbr.)
65. ___/IP scheme for networked connectivity 67. Push to
Talk (abbr.) 68. 30 Hz to 300 Hz 69. Modulation technique
that varies the width of pulses in a train (abbr.) 71. Half
of DSB 74. Online service 75. One port on a BJT (pl.)
77. International Microwave Symposium (abbr.) 80. Positive
emitter-coupled logic (abbr.) 82. Negation prefix 83.
Transformer interwinding connection 85. Compliment to a zero
in a polynomial 87. Family of ICs with a certain component
density level (abbr.) 88. Permissible deviation from a specified
value normally expressed as a percentage 89. Having power
applied (slang) 90. Move in a raster pattern 91. Logic
family (abbr.) 92. Lower sideband (abbr.) 93. Signal amplitude
degradation due to inefficiency |
1. Charged particles 2. Amateur
Radio Association (abbr.) 3. Receiver power level circuitry
(abbr.) 4. The "B" in BER 5. Short video segment 6.
Impurity in a semiconductor that adds a mobile electron in the
conduction band 7. International phonetic alphabet letter
"D" 8. Amateur Radio Emergency Service (abbr.) 9. Elemental
compound used for microwave frequency reference oscillators
(abbr.) 11. Part of a screw that engages the driver 12.
Type of digital filter (abbr.) 13. Attenuator (pl.) 18.
Stock symbol for Advanced Micro Devices 21. Yttrium Aluminum
Garnet 23. Logarithmic unit of power (abbr.) 25. Electro-mechanical
switching device 26. Type of e-mail address system (abbr.)
27. Theoretical "single point" antenna used calculate gain
29. One system's phonetic letter "z" 31. Semiconductor lamp
32. Cause to decrease in magnitude 33. Ham's code for "Shall
I send more slowly?" 34. Telex-Over-Radio (abbr.) 36.
Vector _______, antenna designer & manufacturer in Melbourne,
Australia 37. Unit for expressing a ratio 38. Cooling
device 39. Personal Handy Phone System (abbr.) 41. Software
device for tracking elapsed time 43. Aircraft tracking system
44. Engineer who experimented with extremely high voltages
45. Physical quantity defined as being the work done per unit
time 47. Last stage in transmitter (abbr., pl.) 49. Company
that leases lab equipment, in Lake Mary, FL (abbr.) 52. Digital
storage oscilloscope (abbr.) 53. Programmable logic device
(abbr.) 55. Opens a fuse 57. Uppermost surface 58.
Surface Mount Technology 60. Filter type (abbr.) 61. Cellphone
band below PCS 64. Oscillator type that is referenced to
an external source (abbr.) 66. Greek letter 68. End of
Life (abbr.) 69. Control and monitoring board 70. Steel,
brass, aluminum, etc. 72. Graphics file extension 73.
Multiprotocol Label Switching (abbr.) 74. Asynchronous Communication
Interface Adapter (abbr.) 75. Threaded fastener 76. Prefix
for font without serifs 78. Small Office/Home Office (abbr.)
79. Adjusts a pot 81. A keyboard key 82. Logical negation
operator 84. Substrate for mounting components (abbr.)
86. Line of Sight (abbr.) |
See solution below
![Science Crossword Puzzle Solution for December 16, 2012 - RF Cafe](images/science-crossword-12-16-2012s.gif)
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