July 26, 2009 Engineering & Science Crossword Puzzle

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ACROSS 1. RF amplifier, filter, component & system manufacturer HQ'd in Fairview, PA 8. Radio Amateurs of Canada 9. Special diode that can be switched, abbr. 10. Its chemical symbol is Re 15. Longitudinal shape-forming structural element 17. Move from cell to cell 19. Min______ and Max_____, in a Karnaugh map 20. Major U.S. space & communications company 22. Chemical symbol for einsteinium 23. Sample group 24. Home state of Los Alamos lab 25. Charged particles 27. Basic element 30. Miniature threaded RF connector, pl. 31. Medium for storing large amounts of digital data 32. Microhenry, abbr. 34. Current-voltage phase mnemonic 35. Chemical symbol for copper 36. ESD protective apparel 39. Unit of capacitance 41. High electron mobility transistor 42. Circuit path with very high or infinite impedance 43. Attaches components to a PCB 44. Network file transfer protocol, abbr. 46. Voltage-current phase mnemonic 48. Part of a directive antenna that derives energy from mutual coupling with the driven element, 2 wds., pl.	DOWN 2. Chemical symbol for erbium 3. Precipitate 4. Coefficient of temperature, abbr. 5. Unix, Linux or Windows 6. Wideband CDMA 7. Chemical symbol for argon 10. Type of data storage IC, pl. 11. Stock symbol for Harris Communications 12. 1e-6 ms 13. Internet address, abbr. 14. Earth's natural satellite 16. Physical quantity defined as force per unit area 18. The rotating part of a motor 19. Mr. Edison's first name 21. Describes a software subroutine that repeats itself 25. Network department, abbr. 26. 1e-6 mA 28. Chemical symbol for tantalum 29. Akin to an EE, CE, AE, etc. 33. Amateur radio operators 35. Common shortcut reference for a capacitor, pl. 37. Greek symbol commonly used to represent angles 38. Permeability-Tuned Oscillator 39. BASIC looping keyword 40. It has units of degrees or radians 44. Chemical symbol for francium 45. Unit of time, abbr. 46. 1/6 inch printer's measure; Electromagnetic 47. One port of an amplifier

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