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Copyright: 1996 - 2024


    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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May 24, 2009 Engineering & Science Crossword Puzzle

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

RF Cafe: Engineering & Science Crossword Puzzle


1. RF filter & components manufacturer in Garfield, NJ

7. Chemical symbol for cesium

9. Number system with a base of 16

10. Device for intentionally blocking communications signals

13. Radio Amateurs of Canada

15. Waveform limit definition, pl.

16. Internet protocol, abbr.

17. Chemical symbol for gadolinium

18. Term for asymmetry of a statistical distribution, pl.

19. The "R" in BER

22. Seventh planet from the sun

24. Used logic gates

25. Region of low relative pressure

26. Ovenized crystal oscillator, abbr.

27. Engineering Change Order, abbr.

28. Type of Mylar airframe structure covering (2 words)

29. A three-terminal power semiconductor device noted for high efficiency and fast switching (abbr.)

30. Like a heatsink

31. Electronic warfare defense, abbr.

32. IC killer

33. Switch producer

34. Application Specific Integrated Circuit, abbr.

37. Type of inductance found in transformers

38. The "T" in ATE

39. RF attenuator maker, now owned by Aeroflex

42. Ratio of circumference to diameter

43. Opposite of O.D.

44. Create a power supply output w/o a ground reference

46. Archaic Japanese unit of length equal to 30.3 mm

47. Negatively charged ions

50. Compact Fluorescent Light

51. Band between RF and BB

52. SSHPA manufacturer in Inglewood, CA


2. Temperature-compensated crystal oscillator, abbr., pl.

3. Wire diameter unit, abbr.

4. FCC Part 15 rules apply in this band

5. Sends a telegram

6. VCO manufacturer in San Diego, CA

8. Unintentionally impressing a signal on a transmission line

9. Stock symbol for Harris Communications

11. Mathematical model for an inexact representation of a function

12. Triggering method

14. Software engineering tool, abbr.

20. Chemical symbol for argon

21. Test equipment, abbr.

23. Type of optical network

25. Vector Offset Frequency Shift Keying

35. Chemical symbol for selenium

36. Network department, abbr.

40. RF systems company in Rochester, NY, abbr. (now owned by GE)

41. International phonetic alphabet letter "T"

44. Crystal face

45. Lubricant

48. Type of digital filter, abbr.

49. Switch position

See solution below

RF Cafe: Engineering & Science Crossword Puzzle

Amplifier Solutions Corporation (ASC) - RF Cafe
RF Superstore (RF Components) - RF Cafe
Innovative Power Products Passive RF Products - RF Cafe

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