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Engineering & Science Crossword Puzzle January 1, 2012
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Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
![RF Engineering Crossword Puzzle, 1/1/2012 - RF Cafe](images/rf-engineering-crossword-1-1-2012.gif)
ACROSS |
DOWN |
1. Science of assuring operation amid dense EM background noise (abbr.) 4.
Describes stationary charges 13. Satellite TV system 16. Tied a bundle of wires together 17.
Semiconductor On Insulator (abbr.) 18. Nuclear explosion byproduct harmful to electronic (abbr.) 19. The
LM741 was the first 20. IC killer (abbr.) 21. Network department (abbr.) 22. A circuit that takes two
or more input signals, and produces an output that includes the sum and difference of those signal frequencies
25. Type of modulation (abbr.) 26. Software engineering tool (abbr.) 27. Chemical symbol for cesium
28. Start frequency (abbr.) 29. Akin to EEs, CEs, AEs, etc. 30. Be behind in phase 32. Max or min
voltage of a waveform (abbr.)
34. Chemical symbol for scandium 35. Divide a signal into into chunks for campling 37. Exponent that
returns the original number 39. Adds two or more inputs 41. Radio frequency interference (abbr.) 43.
Negation prefix 45. Voltage limiter 47. Transmit Incremental Tuning (abbr.) 48. Discipline for
aircraft navigation in low visibility environments (abbr.) 50. Type of logic gate (pl.) 51.
Voltage-current phase mnemonic
52. Joined a male and a female connector 53. Enhanced Graphics Adapter 54. Chemical symbol for beryllium
oxide 55. RF ____, the world's best engineering website 58. Add solder to tip of iron 60.
Transportation accident investigation agency (abbr.) 62. Ham-ese for Young Lady 64. 30 kHz to 300 kHz
65. Voltage-controlled oscillator (abbr.) 67. Unit of weight 69. One port of an amplifier 70. Front
edge of a wing (abbr.)
71. End of soldering iron 73. Equalizer (abbr.) 74. Hang the program 76. Chemical symbol for polonium
77. End of transmission (abbr.) 78. First name of a British scientist of falling apple fame 79. Stock
symbol for Advanced Micro Devices 81. Degree of IC sophistication (abbr.) 84. The "N" in AWGN 85. A
common RS-232 serial bus command (abbr.) 86. The sending of radio signals (pl.) 87. Automatic
Send-Receive (abbr.)
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1. Type of capacitor dielectric 2. The amount of matter that a body
contains
3. Imaging device (abbr.) 4. Electron flow from a glowing cathode to an anode in an evacuated glass bulb (2
wds.) 5. Chemical symbol for einsteinium 6. Chemical symbol for cobalt 7. Considered the 4th
dimension
8. Ovenized crystal oscillator (abbr.) 9. Prefix meaning ground or earth 10. Modulation type (abbr.)
11. Test point (abbr.) 12. Mathematical operation (pl.) 13. Type of data conversion device (abbr.)
14. Miniature threaded RF connector (pl.) 15. What is any device used to record or measure spectra 23.
Component that only allows RF signal flow in one direction 24. Helium, iron, silicon, and uranium, for
example 28. Unit of inductance (abbr.) 29. Chemical symbol for molybdenum 31. Chemical symbol for
gallium 33. Unit of length (abbr.) 35. Complex Instruction Set Computer 36. Compliment to a zero in a
polynomial 38. Stock symbol for National Instruments 39. One bit of a real number 40.
Service-Independent Building Blocks
42. Chemical symbol for francium 44. Chemical symbol for nickel 45. Centimeter (abbr.) 46. Chemical
symbol for palladium 47. Chemical symbol for xenon 49. Chemical symbol for iron 56. Chemical symbol
for aluminum
57. 1.602E-19 Joules 59. Army-Navy specification prefix 61. Chemical symbol for tin 63. Parts _____
66. Imaging device (abbr., pl.) 68. Unit of resistance (pl.) 70. Signal amplitude degradation due to
inefficiency
72. Last stage in transmitter (abbr., pl.) 75. Ticker symbol for Analog Devices 77. Electronics Industry
Association (abbr.) 79. A common battery cell size 80. Chemical symbol for manganese 82. Chemical
symbol for silicon 83. Galilean moon |
See solution below
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