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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 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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11/30/2005 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

Engineering & science crossword puzzle

ACROSS

1 Premier zero-phase-hit oscillator vendor in Rockleigh, NJ (2 words)

11 Unit of current

12 Ratio of circumference to diameter

13 Chemical symbol for iron

14 Carrier-to-Noise Ratio

16 Hydrogen ____ cell

18 Network device

20 To not pass a production test

22 Band between RF and BB

24 Chemical symbol for tin

26 Low Noise Amplifier

28 Part of this website's name

29 Related to FM by a derivative

30 Code Division Multiple Access

32 RF resistor vendor in Boone, NC

34 Intermodulation Distortion

36 Internet mail protocol, abbr.

38 Electromagnetic Interference

39 Army-Navy spec., abbr.

40 One component of a fiberglass substrate

43 Mechanical drawing reference plane, abbr.

45 Part of a conditional statement, pl.

46 Logic gate where all 1s at the input generates a 1 at the output, pl.

48 Type of memory

49 Digital Communication System

51 Digital data storage unit

53 Home country of RF Cafe

54 Opposite of a "high"

55 Receiver front-end component

56 Coefficient of Lift

57 Reliability measure, abbr.

59 Antenna gain unit, abbr.

61 Type of digital filter topology, abbr.

62 Counter ElectroMotive Force

64 Type of chart

65 300 kHz to 3 MHz

67 A negatively charged ion

69 Front edge of a wing, abbr.

70 Online service

72 Measurement standard body, abbr.

74 A figure of merit in a receiver, abbr.

76 Official engineering change document, abbr.

78 Temperature-compensated Crystal Oscillator

79 Test Equipment

80 Super glue, abbr.

82 RF systems company in Rochester, NY, abbr.

84 Semiconductor and calculator company

85 Integrated Circuit

86 Short for terminal

88 _____-Carlo analysis

89 Cellular Digital Packet Data

91 Surface Mount Device

93 Type of flip-flop

94 Modulation type

95 Broadband Over Power Lines, a Ham's nemesis

97 Amplifier vendor in Souderton, PA

DOWN

1 Electromagnetic

2 Filter type, abbr.

3 Infinite resistance

4 1/000 of an inch

5 Wireless phone region

6 Popular science series on PBS

7 Switch position

8 Equipment

9 High-speed logic family, abbr.

10 Chemical symbol for tin

11 Dilbert's female co-worker

15 Increases voltage linearly

17 World's only remaining superpower

19 Boolean operator, pl.

21 Band between RF and BB, pl.

23 Frequency Division Multiple Access

25 Infrared

27 Home state of Los Alamos lab

29 4-letter abbreviation for Teflon

31 Fractions of a millennium

32 One port of an amplifier

33 Type of overvoltage protection circuit

34 One of the simple machines (a plane)

35 Type of current

37 Connector supplier in Oyster Bay, NY

39 Chemical symbol for arsenic

41 Electromagnetic, abbr.

42 Opposite of O.D.

44 30 kHz to 300 kHz

47 SSB x 2

48 Archaic unit of length

50 Received signal measurement that affects BER

52 Current-voltage phase mnemonic, abbr.

57 Extraction place for metal ores

58 Usually shares the dial with AM

60 Chemical symbol for indium

61 Galilean moon

62 European equivalent to the U.L.

63 An ellipse has two of them

64 Routes traveled by RF signals

66 A BPF spec.

68 Integrated Services Digital Network

69 Local Oscillator

71 As opposed to remote

73 Current-voltage phase mnemonic, abbr.

75 Noise Figure

77 A LP filter spec

78 End of soldering iron

81 Ham radio organization, abbr.

82 The most frequently occurring number in a series of numbers

83 Network configuration

84 Time Division Multiple Access

86 Time Division Multiplexing

87 Degree of IC sophistication, abbr.

89 Software engineering tool, abbr.

90 Relative power level unit, abbr.

92 1/000 of an amp

96 Unit of acidity


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

 

 
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