9/14/2007 Engineering & Science Crossword Puzzle

Take a well-deserved break and try your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called "Magnum Opus") software.

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Cruciverbalist:

A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
ACROSS 1. The "C" in CMOS 12. Small Office/Home Office 13. Part of a heatsink 15. Electromagnetic, abbr. 17. Unit of time, abbr. 18. Arithmetic Logic Unit 20. Chemical symbol for neodymium 21. Chemical symbol for chlorine 22. Transformer interwinding connection 24. Chemical symbol for cadmium 25. Chemical symbol for francium 27. A component of color 28. Electronic warfare defense, abbr. 29. Chemical symbol for einsteinium 30. us / 1000 31. A resistor manufacturer in Boone, NC 32. Logic gate 33. Stock symbol for Boeing 35. Stock symbol for Lockheed Martin 37. Last stage in a transmitter, abbr. 39. Network department, abbr. 40. Describes an amplifier's ability to endure extreme VSWR 43. Printer manufacturer 45. Premier zero-phase-hit oscillator vendor in Rockleigh, NJ 46. Proportion of two numbers 47. Its chemical symbol is C 50. Recent evolutionary appendage of most teenagers, pl. 52. Analog-to-Digital 53. General package type for miniature components, pl. 54. Keyboard key 56. Chemical symbol for tin 57. PC follower 58. Time Division Duplex 60. Chemical symbol for praseodymium 61. Microfarad, abbr. 63. Gun safety and education organization, abbr. 64. Test Equipment Connection, in Lake Mary, FL 65. Stock symbol for Boeing 66. Electronics manufacturer with "meatball" logo 67. Defense contractor in Fort Wayne, IN 68. Chemical symbol for erbium 69. Picohenry, abbr. 71. One state of matter 73. Band between RF and BB 75. Opposite of a LO 76. Image file type 78. Asynchronous Communication Interface Adapter 80. It equals 1/2*m*v^2	DOWN 2. Unix, Linux or Windows 3. Minutes of Use 4. Personal Handyphone System 5. It injects into a mixer, abbr. 6. 1/000 of an inch 7. A measure of receiver quality, abbr. 8. Add solder to tip of iron 9. Logic gate 10. Type of flip-flop 11. Ionized trails of meteors used as a reflecting media, 2 wds. 14. The "E" in ESD 16. Series of automated software commands 18. Asynchronous Digital Subscriber Line 19. Ultra Fine Pitch Technology, abbr. 21. Unit used in the measurement of radioactivity 23. Related to FM by a differential 24. European equivalent to the U.L. 26. Part of this website's name 27. Opposite of a LO 33. Illumination devices 34. Provider of services for telecommunications systems in Switzerland 36. Metal parts engineer, abbr. 37. Routes for current 38. Name for a negatively charged ion 41. Digital transmission figure of merit, abbr. 42. Unit of weight 43. Once around a closed course 44. Charged particle 48. Summer 49. One component of a complex number, abbr. 51. 3rd rock from the sun 54. Pull an object across the desktop with the mouse 55. Wire crimp connector type, pl. 59. Type of current 60. Chemical symbol for lead 62. Chemical symbol for iron 63. Chemical symbol for nickel 69. Type of switching diode 70. High Frequency Electronics magazine, abbr. 72. Automatic Frequency Control 73. Current-voltage phase mnemonic 74. Type of digital filter 76. Semiconductor and calculator company, abbr. 77. Foot, abbr. 78. Army-Navy spec 79. Chemical symbol for silver
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