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3/31/2008 Engineering & Science Crossword Puzzle
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Reproduction of this puzzle without the express
permission of RF Cafe is prohibited.
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![RF Cafe: Engineering & science crossword puzzle](images/cw_3-31-2008.gif)
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ACROSS 1. Part of a directive antenna that
derives energy from mutual coupling with the driven element,
2 wds., pl. 8. One frequency product of a mixer 9. Logic
gates 10. The "A" in ACS, maker of the LINC2 circuit simulator
15. Foot/12 17. High power density battery chemistry, abbr.
19. Denominator component of transfer function, pl. 20. Prefix
meaning magnetic 22. Network department, abbr. 23. Common
Gateway Interface 24. Chemical symbol for selenium 25.
Data conversion device, abbr., pl. 27. Lag in a synchronous
motor 30. What epoxy needs to do to harden 31. A receiver
specification, abbr. 32. Chemical symbol for chlorine
34. Unit of signal reflection measurement, abbr. 35. Greek
symbol 36. Generated an official engineering change document
39. Material used in the center of an inductor coil, pl.
41. Logic family 42. Length times width 43. Solder-type
termination for coaxial cable shield, abbr. 44. Push To Talk
46. Voltage-current phase mnemonic 48. Highest frequency
at which a vertically incident radio wave will return from the
ionosphere, 2 wds. |
DOWN 2. Type of flip-flop 3. Relating
to sound 4. Surface Mount 5. Chemical symbol for molybdenum
6. The "E" in BER 7. Unit of time, abbr. 10. Advanced
Communication Technologies and Services 11. Personal Handy
Phone System 12. Along the longest side 13. 30 Hz to 300
Hz 14. Thread cutting tools 16. Noise source and measurement
company in Parsippany, NJ 18. Physical quantity defined as
force per unit area 19. RF design consultant in Rochester,
NY 21. Insulating layer in IC fabrication, pl. 25. Type
of current flow 26. Chemical symbol for chromium 28. 30
kHz to 300 kHz 29. Chemical symbol for praseodymium 33.
Low altitude earth orbiting satellite, abbr. 35. Logic gates
37. International Telegraphy and Telephony Consultative Committee
38. Broadband medium, like cable, abbr. 39. Software engineering
tool, abbr. 40. Symbol of the U.S.A. 44. Ratio of circumference
to diameter 45. Semiconductor and calculator company, abbr.
46. Chemical symbol for europium 47. One port of an amplifier |
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See solution below
![](images/cw_3-31-2008s.gif)
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