January 4, 2009 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. Chemical symbol for neptunium 3. ___-AZIMUTH telescope mount 6. Part of a FOR loop 8. Transistor hookup scheme where a resistor in the emitter lead sets the DC operating point, 2 words 11. Imaging device, abbr., pl. 12. Teflon, abbr. 14. Logic family 15. Audio Frequency 17. Chemical symbol for terbium 18. Chemical symbol for argon 19. Chemical symbol for praseodymium 20. Chemical symbol for tantalum 22. Chemical symbol for bismuth 25. Modulation type, abbr. 27. Positive emitter-coupled logic 30. RF attenuator maker, now owned by Aeroflex 32. Metal or plastic rod that connects a potentiometer wiper to a knob 33. Min-to-max voltage of a waveform 35. Network department, abbr. 36. A measure of receiver quality, abbr. 38. Chemical symbol for thulium 40. Cabinet manufacturer in Cincinnati, OH 42. One axis of an ellipse 44. Isolator, oscillator vendor in Tampa, FL 46. Chemical symbol for copper 47. European equivalent to the U.L. 49. Test equipment manufacturer, now Agilent 50. One component of a complex number, abbr. 51. 30 kHz to 300 kHz 53. One port of an amplifier 54. Femtofarad, abbr. 55. Meet all test requirements 57. Light 59. Elemental compound used for microwave frequency reference oscillators, abbr., pl. 61. Its chemical symbol is Md 63. Unix, Linux or Windows 64. Precision approach radar, abbr. 65. Centimeter, abbr.	DOWN 1. Japanese semiconductor & equipment manufacturer 2. Type of programmable device, abbr. 3. Soak up RF energy 4. Chemical symbol for lithium 5. Transformer interwinding connection 6. Image file format name extension 7. Exponent that returns the original number 9. Frequency Division Multiple Access 10. Network configuration 13. Fundamental parameter of an element, 2 wds. 16. Electrical connection used to prevent electrocution, 2 wds. 21. Layer of a multi-layered PCB 23. Internet protocol, abbr. 24. The reactive element in catalytic converters 26. Akin to an EE, CE, AE, etc. 28. Chemical symbol for einsteinium 29. Type of distribution, squared 31. Test point, abbr. 34. Chemical symbol for platinum 37. Type of digital filter, abbr. 39. Millimeter, abbr. 41. Chemical symbol for radium 43. Integrated circuit, abbr. 45. Kilocycles, abbr. 48. Region of the ionosphere found approximately 55 to 90 miles above Earth; it fades away a few hours after sunset, hyph. 50. Stock symbol for RF Micro Devices 52. Fast-Scan TV 54. Cooling devices 56. Small DIP package, abbr. 57. Constellation : The lion 58. Peak Envelope Power 60. Add two or more inputs 62. Chemical symbol for lanthanum
See solution below