3/31/2008 Engineering & Science Crossword Puzzle


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RF Cafe: Engineering & science crossword puzzle

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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