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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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8/4/2005 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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Engineering & science crossword puzzle

ACROSS

1 Horizontal Cartesian coordinate

8 Equalizer, abbr.

10 Inductor

11 Regarding light

13 User Datagram Protocol

14 International Telegraphy and Telephony Consultative Committee

15 Professor's student instructor, abbr.

16 Automated Test Equipment

17 Greek letter (micro)

18 One component of a complex number, abbr.

19 Next degree after Master's

20 Test equipment, abbr.

21 Piper's famous yellow airplane

22 Army-Navy specification prefix, abbr.

23 Powers pneumatic devices

24 Resistor manufacturer in Yankton, SD

25 Mates a wire to a stud

27 1e-6 mA

28 Amplifier vendor in Santa Clara, CA

29 Section of a circle

31 Galilean moon

33 Through-connection on a PCB

35 Cellular Telecommunications & Internet Association

36 Pentium, Centrino, Athalon, etc.

38 Min-to-max voltage of a waveform, abbr.

39 Semiconductor lamp

40 Infrared, abbr.

41 Metal parts engineer, abbr., pl.

42 Local Oscillator

43 Chemical symbol for arsenic

44 Exponent that returns the original number

45 Army-Navy specification, abbr.

46 Type of coaxial cable

48 Angular speed unit, abbr.

49 Second greatest invention after fire

50 Institute of Electrical and Electronics Engineers

51 Symbol for tin

52 RCL circuit operating at a frequency where the reactance equals zero

DOWN

1 An angle has less than 90 degrees

2 Frequency vs. amplitude plot

3 Half of a DIP

4 Type of model airplane control system, abbr.

5 System On Chip

6 Curve traced out by a point which moves around another point with an ever increasing radius

7 Decreases in magnitude

9 90 degrees from "I"

12 Network department, abbr.

14 3-D solid bounded by 6 equal squares

15 ___-film effect

16 Mass of an element

17 Number by which a set is divisible

19 Last stage in a transmitter, abbr.

21 Cable television, abbr.

24 Type of current

26 Power distribution system

30 Super glue, abbr.

32 Opposite of a short

34 The most distant point of an orbit from the earth

35 Encased in a protective covering

37 World's only remaining superpower, abbr.

40 RF attenuator maker in Ann Arbor, MI (now Aeroflex)

44 Describes a requisition that has not been filled

46 Relative Humidity

47 Precision landing system, abbr.

48 Government program to bring electricity to farms, abbr.

50 One port of an amplifier

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

RF Cafe Visitor Comments on News, Articles, System, Design, Components, etc.

Please e-mail your comment to me (Kirt B.), and I will post it here for you - no computers involved!

1 - Your participation will be greatly appreciated. - Kirt B.

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