3/22/2007 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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RF Cafe: Engineering & science crossword puzzle

ACROSS

1. Mechanical engineering group, abbr.

4. Decibels above or below a dipole antenna, abbr.

6. Amplitude Shift Keying

7. A compiler directive

9. Application Specific Integrated Circuit, abbr.

13. Substrate for mounting components, abbr., pl.

15. Coaxial attenuator manufacturer in Columbus, IN

18. Last stage in a transmitter, abbr.

19. Chemical symbol for arsenic

20. Positive voltage lead color

22. Be behind in phase

23. Russian space probes which visited Halley's comet

24. Attenuator topology

25. International phonetic alphabet letter "L"

28. Increase voltage linearly

30. Electrical overstress, abbr.

31. Keyboard key

33. Start frequency, abbr.

34. Type of current flow

37. Ratio between the maximum change in RF-carrier frequency and the highest modulating frequency used in an FM transmitter, 2 wds.

40. The "T" in TE

41. A disk operation

43. 3-phase transformer configuration

44. Color quality

45. Type of digital filter, abbr.

46. Name given to the quotient of the sum of several quantities and their number

DOWN

1. Colorado Springs military school, abbr.

2. Snail and E are examples of this

3. Speed required to break away from a celestial body's gravitational attraction

4. 10^-1 numerical prefix

5. Class of spread spectrum, abbr.

8. Direct sequence and frequency hopping are two examples of this modulation

10. Crystal filter type

11. 2xSIP

12. Satellite TV system, abbr.

14. Beryllium oxide symbol

16. American space agency

17. Universal Asynchronous Transmit/Receive

21. Morse Code for "from"

22. Chemical symbol for lanthanum

26. Network department, abbr.

27. American National Standards Institute

28. RF computer network, abbr.

29. Chemical symbol for mendelevium

32. U.K. equivalent of the IEEE

33. Method for moving data files between computers

35. Error checking scheme, abbr.

36. Voice of America

37. Touch-tone dialing scheme, abbr.

38. Measure of source/load match, abbr.

39. Institute of Electrical and Electronics Engineers

42. Deutsche Industrie Normenausschuss

Answer below

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