Copper Mountain Technologies (VNA) - RF Cafe

Webmaster:

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.

My Hobby Website:

AirplanesAndRockets.com

Windfreak Technologies SynthHD PRO - RF Cafe

4/9/2003 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 Ability to store a charge, pl.

8 Total Access Communication System

9 1e-6 mA

11 Defense electronics company in Ft. Wayne, IN

12 Automatic network analyzer

14 10-Gb Attachment Units Interface

17 1E6 nanoseconds

19 1e3 uV

20 Commercial Off-the-Shelf

22 National Electronics Distributors Association

24 Logarithmic ratio

26 Logical negations

28 Half of an epoxy mix

29 Narrowband Advanced Mobile Phone System

31 4th rock from the sun

33 Home state of Los Alamos lab

34 Application Specific Integrated Circuit

36 Type of information storage, pl.

38 Type of flip flop

39 1E3 bits per second

41 1E6 bits per second

43 Test equipment, abbr.

45 Illumination device

47 Miniature threaded RF connectors

49 Chemical symbol for arsenic

51 Totals

53 1/1000 prefix

54 L-C resonating circuits

56 Started as HPIB

58 30 kHz to 300 kHz

59 Digital Enhanced Cordless Telephone

61 Unintentional mixing products

63 Electronics manufacturer with "meatball" logo

64 Component of product cost

66 One nature of light, the other is particle

67 Official Space Shuttle designation

68 Precision radar, abbr.

69 1/000 of an amp

72 Sample groups

73 Device for observing spectra

DOWN

1 Cable

2 Logic family

3 Unit of time

4 Printer manufacturer

5 Professor's student instructor

6 Filter transfer function

7 Symbol for tin

8 System clock variation

10 Modulation type

12 Type of current flow

13 Basic element

15 Army-Navy spec

16 integrated Digital Enhanced Network, by Motorola

18 Circuits to generate frequencies

21 Network configuration

23 Mechanical engineering group

24 Direct Memory Access

25 Binary Phase Shift Keying

27 Static Random Access Memory

30 Service-Independent Building Blocks

32 Miniature RF connector

35 The hearts of computers

37 Single Inline Memory Module

40 Adjustable core of a tunable inductor

42 Loose end of a cable

44 Range of frequencies

46 Graphics file types

48 Below ELF

50 ____ rate, opamp performance parameter

52 Halves of DIPs

55 Common name for 6" metal engineering ruler

57 Joins end-to-end

60 Boob tube

62 Type of flip-flop

63 One terminal of a FET

65 Electromagnetic

68 Internet e-mail protocol

70 Chemical symbol for arsenic

71 Logic gate

72 Local Oscillator

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

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

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