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Engineering & Science Crossword Puzzle
January 1, 2012
January 1, 2012
Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
| 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.) | 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 |
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