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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

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...

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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1/16/2004 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.

2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku

common.htm" -->

 Engineering & science crossword puzzle


2 Internet Protocol

4 Type of current flow, abbr.

7 Amount of matter in a body

11 Relative Humidity

12 One component of a complex number, abbr.

13 Geometric solid from which the circle, parabola, ellipse and hyperbola are derived

16 Style of computer case

18 Chemical element B

19 Earth is one of nine known

21 Atom in the periodic table

23 Unit of time, abbr.

24 Greek letter

25 Noise figure, abbr.

26 Analog/Digital

27 Personal Computer

29 Electromagnetic, abbr.

31 Common Gateway Interface

32 Semiconductor and calculator company, abbr.

33 Part of a For-Loop

35 Plug-in substrates for holding resistors, capacitors, etc.

37 Stored energy

39 Connecting to a transformer interwinding point

44 Greek letter

49 Type of current

50 Audio Frequency

51 Formerly known as GMT

52 Super glue, abbr.

53 1e-9 A

54 1/1e12 second

55 Start Frequency, per filter annotation

56 Test Point

58 Chemical symbol for beryllium

60 Swedish astronomer who defined the centigrade scale

63 Former amplifier company in Newbury Park, CA

67 Used lubricant

68 Scheduling graph types

69 Stopband and ____band

70 PC follower

71 Logic gate

73 Switch configuration, abbr.

74 1e6 nanoseconds

75 Unit of time, abbr.


1 Internet mail protocol

2 Infrared, abbr.

3 Branch of science dealing with mass, motion, optics, etc.

4 33rd element

5 European equivalent to the U.L.

6 Exhaust air opening in a cabinet

8 Popular (for some unknown reason) Internet service provider, abbr.

9 Windows file type for emulating RAM

10 Detected the presence of

13 Fan vendor in San Ysidro, CA

14 Used logic gates

15 Negation prefix

17 Component of product cost, abbr.

18 Chemical symbol for beryllium

20 An RX listens to this

22 30 kHz to 300 kHz, abbr.

27 Unit of acidity, abbr.

28 European equivalent to the U.L.

30 Mechanical equivalent of an EE

32 Professor's student instructor, abbr.

33 Test Equipment

34 Opposite of I.D.

36 Reverse Polish Notation

38 Amateur radio enthusiast

39 Time Delay

40 Opposite of DC

41 Allows information through

42 Frequencies between RF and BB

43 Triangular joint stiffeners

44 8-sided polygon

45 Integrated Circuit

46 Wires

47 Switch position

48 1e-6 mA

54 Oscillators requiring reference sources

55 Upper Frequency, per filter annotation

57 Related to FM by derivative/integral

59 Antenna power, abbr.

60 Disk file operation

61 Electronics Industry Association

62 Opposite of O.D.

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

65 Resistor vendor in Berne, IN

66 Material testing organization, abbr.

70 Modulation type

72 Kind of flip-flop

Answer below

















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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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