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Engineering & Science Crossword Puzzle October 9, 2011
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Reproduction
of this puzzle without the express permission of RF Cafe is prohibited.
![RF & Microwave Crossword Puzzle, October 9, 2011 - RF Cafe](images/engineering-crossword-10-9-2011.gif)
ACROSS |
DOWN |
1. 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 4. Its chemical
symbol is N 8. Chemical symbol for neptunium 10. 3 GHz
to 30 GHz 11. Represented across the country 13. Unit
of inductance (abbr.) 16. Original Equipment Manufacturer
(abbr.) 18. "Texting" (abbr.) 20. Automatons 22. Min-to-max
voltage of a waveform (abbr.) 24. Constellation : The whale
25. Imaging device (abbr.) 27. A common battery cell size
29. Mass unit (abbr., pl.) 31. 1e-6 mA 33. Communications
where only one entity can transmit at a time 37. 36 in. (abbr.,
pl.) 39. Collection of electronic records (abbr.) 40.
10^1 numerical prefix 41. The highest numerical exponent
describes this property of a polynomial 43. Chemical symbol
for arsenic 45. Prefix for font without serifs 47. Unit
of capacitance 48. Weight (abbr.) 49. Chemical symbol
for einsteinium 51. Type of chart used to plot immittance
53. Swap ____, a Ham's flea market 54. Chemical symbol for
scandium 55. _____&Schwarz 56. Chemical symbol for
platinum 58. Method of connecting redundant power supplies
60. Computer monitor cable type (abbr.) 62. Integrates data
onto a carrier wave 66. One component of a complex number
(abbr.) 67. File name extension for an ASCII file 69.
Measure of source / load mismatch (abbr.) 71. Method of connecting
redundant power supplies (pl.) 73. Unwanted 60- or 120- Hz
modulation due to poor power supply filtering (2 wds.) 75.
Semiconductor and calculator company (abbr.) 77. Containing
contaminants 78. Gary Breed's fine magazine on RF & microwaves
topics (abbr.) 79. Unit of admittance 81. Chemical symbol
for selenium 83. Marconi's transmitter configuration (2 wds.)
86. Greek letter 88. Unit of inductance (abbr.) 89. Mechanically
connected component leads in preparation for soldering 90.
Type of heat engine operating by cyclic compression and expansion
of a gas at different temperature levels such that there is
a net conversion of heat energy to mechanical work |
1. Area outside the stopband
2. Radio Direction Finding (abbr.) 3. The LM741 was the first
4. Silicon transistor type (abbr.) 5. Logic family (abbr.)
6. Output intercept point (abbr.) 7. BS__ - the degree held
by many RF Cafe visitors 8. Chemical symbol for nobelium
9. Data declaration type in software (pl.) 11. Chemical symbol
for neon 12. Logic family 14. High-speed circuit-switched
data (abbr.) 15. IC killer (abbr.) 16. Unix, Linux or
Windows (abbr.) 17. A type of digital modulation (abbr.)
19. Unit of frequency (archaic, abbr.) 21. Chemical symbol
for tantalum 23. International phonetic alphabet letter "P"
24. Software engineering tool (abbr.) 26. Chemical symbol
for bismuth 28. Chemical symbol for aluminum 30. Opamp
circuit for converting an inductance into a capacitance, and
vice versa 32. Soaks up RF energy 33. Thermocouple, photodetector,
limit switch, for example 34. Chemical symbol for mendelevium
35. Type of logic gate 36. Summers 38. Crystal filter
type (abbr.) 42. Type of data storage IC 44. Tool for
removing insulation from a wire (pl.) 46. Electronic component
package type (abbr.) 47. Unit of inductance (abbr.) 50.
Special diode type that can be switched (abbr.) 52. U.K.
equivalent of the IEEE 56. It is the "P" in S2P 57. Time
delay (abbr.) 59. Removing oxygen from or adding hydrogen
to a compound 61. State of matter (pl.) 63. Stock symbol
for National Semiconductor 64. Pure carrier (abbr.) 65.
Chemical symbol for europium 68. Software drafting tool (abbr.)
70. Modulation type (abbr.) 71. Unit of resistance 72.
Part of this website's name 74. Communication between stations
by reflecting the radio waves off of the ionosphere 76. A
false signal produced in a superheterodyne receiver’s circuitry
77. Galilean moon 80. Test equipment manufacturer, now Agilent
(abbr.) 82. Engineering Change Notice (abbr.) 83. Synchronous
Digital Hierarchy 84. Stock symbol for Advanced Micro Devices
85. Chemical symbol for rhodium 86. Peripheral Component
Interface (abbr.) 87. Chemical symbol for thallium |
See solution below
![RF & Microwave Crossword Puzzle Solution, October 9, 2011 - RF Cafe](images/engineering-crossword-10-9-2011s.gif)
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