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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

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 tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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7/6/2007 Engineering & Science Crossword Puzzle

Visit the Crossword Express website - RF CafeTake 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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Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

RF Cafe: Engineering & science crossword puzzle

ACROSS

1. Ideas

3. Flat cable type

7. 300 MHz to 3 GHz

9. Sporadic E-layer ionospheric propagation, hyph.

11. Base of the binary system

12. A fundamental electric supply type

14. Maker of power meters in Parsippany, NJ

17. A hybrid power splitter has two of these

19. Reduction of receiver sensitivity due to overload from a nearby transmitter

21. Sample group

22. 1/1000 prefix

23. 1/000 of an inch

24. Triode Alternating Current Switch, abbr.

25. .... star has the largest proper motion

 

DOWN

1. Torque transfer mechanism

2. The spectrum we are concerned with

4. Unwanted mixing of two or more RF signals that creates unintended frequencies

5. Beryllium oxide chemical formula

6. Vacuum fluorescent display vendor

8. Cooling device

10. Bluetooth network

13. Quickly changing portions of waveforms

14. Forms a resistor lead

15. Its chemical symbol is Th

16. The Cartesian coordinate system has four of these, singular

18. These have units of degrees

20. FCC Part 15 rules apply here, abbr.

21. Family of TTL logic


Answer below

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

 

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