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3/19/2008 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/cw_3-19-2008.gif)
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ACROSS 1. Miniature threaded RF connector
4. Averages 9. Directions for verifying proper function,
abbr. 12. Incandescent bulb 13. An angle of less than
90 degrees 14. Used logic gates 16. A receiver linearity
spec, abbr. 17. One port of an amplifier 18. Chemical
symbol for calcium 19. 10^1 numerical prefix 20. Maximally
flat group delay filter function 23. Voltage values 25.
Color quality 27. Method for connecting redundant power supplies
28. Precision landing system, abbr. 29. Quantity of heat
equal to 100,000 BTU 31. Ratio of the maximum carrier frequency
deviation to the modulating frequency at a given instant in
an FM transmitter 32. Divides the signal into pieces 34.
Charged particle 36. Type of graph for plotting antenna patterns
37. Gun safety and education organization, abbr. 38. Aircraft
tracking systems 43. European space probe which visited Halley's
comet 48. Monolithic Microwave Integrated Circuit 49.
Opposite of O.D. 51. 10^1 numerical prefix 52. Its chemical
symbol is Fe 53. Switch configuration, abbr. 54. Cell
phone manufacturer 56. The "L" in ADSL 57. Official Space
Shuttle designation 58. Quickly changing portions of waveforms
59. Short Message Service |
DOWN 1. Lockout position 2. Multichannel
Multipoint Distribution Service 3. Automatic Packet Position
Reporting System 4. Snail and e- are examples of this
5. Engineering Change Notice, abbr. 6. Chemical symbol for
gold 7. Negative Temperature Coefficient 8. Hermetic barrier
9. Ad-hoc On-demand Distance Vector 10. Technical drawing
structure 11. Positive Emitter-Coupled Logic 12. Lower
Sideband 15. 10^1 numerical prefix, pl. 21. High voltage
resistor manufacturer in Montreal, Quebec, abbr. 22. Containing
more than two ports 24. End Of Transmission 25. Opposite
of a LO 26. Chemical symbol for einsteinium 27. Having
resistance 30. A circuit that takes two or more input signals,
and produces an output that includes the sum and difference
of those signal frequencies 33. Special diode that can be
switched 34. One port of an amplifier 35. 1e-6 mA 36.
Radar display, abbr. 38. Common average used for sinewaves,
abbr. 39. Volts divided by resistance 40. This, multiplied
by inductance yields voltage across the inductor 41. Advanced
Communication Technologies and Services 42. Trigonometric
function equal to the ratio between the side opposite a given
angle, and the hypotenuse 43. High frequency semiconductor,
abbr. 44. Lubricants 45. Adjust a capacitor or resistor
46. Units of weight 47. Exponent that returns the original
number 50. Official U.S. military organization, abbr.
51. Singulated piece of IC wafer 55. Mass unit, abbr. |
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See solution below
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