2/3/2006 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 Fractional part of a number

7 European equivalent to the U.L.

9 Unit of conductance

10 A LP filter spec., abbr.

11 ___-AZIMUTH telescope mount

13 Indium Phosphide

15 Chart type, pl

17 Tuning screw

19 Unit of length, archaic

21 Family of TTL logic

22 Gigantic star in Cetus

24 PC follower

25 A chart axis specification

27 Part of a FOR loop

29 Positive or negative symbol

30 Same as 28 down

32 Undesirable background information

34 RF computer network, abbr.

36 Once around the track

37 Component of product cost, abbr.

39 CDMA Development Group, abbr..

41 Boob tube

43 Abbreviation for acknowledge (also a common word for Bill the Cat)

45 Test Equipment

46 Online service

48 Metal parts engineer, abbr., pl

50 Opposite of a high

52 Type of multi-element antenna

55 ESD protective apparel

57 Computer communication scheme, abbr.

58 Prefix for 10^-18

60 Unit of time, abbr.

61 Negatively doped silicon

63 Front edge of a wing, abbr.

65 Junk e-mail

66 Current-voltage phase mnemonic

68 Electromagnetic Compatibility

69 6.02e23 of anything makes one of these units

71 A network analyzer spigot

73 U.S. Spectrum allocation agency, abbr.

75 Symbol used for resistivity

76 Semiconductor and calculator company

78 Amateur radio enthusiast

80 Logic gate

81 Added information to

DOWN

2 Electromagnetic

3 Type of distribution, squared

4 Charged particles

5 Type of current flow

6 Used to define the East /West location of a point on the surface of the earth

7 Charge storage device

8 Voltage-current phase mnemonic

12 Min-_____ and Max-_____, in Boolean reduction

14 Phase-Locked Loop

16 Leadless packages

18 Country where US Microwaves is based

20 One port of a FET

23 Alternative name for Beta Persei

26 Electronic Numerical Integrator and Computer

28 Lubricant

31 Computer communication scheme, abbr.

33 Switch configuration, abbr.

35 Gun safety and education organization, abbr.

38 Electronic warfare defense scheme, abbr.

40 Electronics manufacturer with "meatball" logo

41 Professor's student instructor, abbr.

42 Electrical unit of potential difference

44 Used to send Morse Code

47 Navigation system largely supplanted by GPS

49 Crystal filter type, abbr.

51 Units of power and heat

53 Spark ___ overvoltage arrestor

54 Material which is a poor conductor of heat or electricity

55 Change from solid to vapor phase without going through liquid phase

56 Positively doped silicon

59 Like the LM741

62 Electrical rack manufacturer in Rochester, MN

64 Official engineering change document, abbr.

67 30 Hz to 300 Hz

70 Radar reflection off of a target

72 Greek letter

74 Software drafting tool, abbr.

77 One port of an amplifier

79 Akin to an EE, AE, SE or CE

Answer below