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RF Engineering Crossword Puzzle
January 31, 2016

Take a break and work this week's RF Engineering-themed crossword puzzle. All the words are pulled from a hand-built list of terms, names, and abbreviations that have only to do with science, mathematics, and engineering. If you want a crossword with names of movie stars and obscure countries, try the local newspaper.

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

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

RF Engineering Crossword Puzzle for January 31, 2016 - RF Cafe


1 Middle winding on a transformer

8 Time delay, abbr.

10 Font without serifs

11 Memory types

13 Output 2nd-Order Intercept Point, abbr. (uses numbers)

16 Integrated circuit

17 Mass units, abbr.

19 Sound that a overstressed capacitor makes

20 Local Oscillator

21 Galilean moon

22 Silicon transistor type

24 Switch configuration (uses numbers)

26 Crystal surface

27 Part of this site's name

29 The real part of complex power

32 Constellation : The southern cross

35 Unix, Linux or Windows

36 Unit of acidity

37 Band between RF and baseband

38 Element discovered on the sun

39 City in the great state of Texas

42 Symbol for helium

43 Last stage in a transmitter

45 Infrared

46 Receiver quality parameter, abbr.

47 Revolutionary new wireless product specification (2400-2497 MHz)

51 Home state of Los Alamos lab

52 ____ radicals, in chemistry

54 Greek letter

57 BASIC looping keyword

58 Chemical symbol for beryllium

59 1E6 nanoseconds

61 RF systems company in Rochester, NY

62 Capacitor model component

63 Internet protocol

64 Time Division Multiple Access

66 The Brits call it a valve

67 European spectrum allocation agency

69 Electromagnetic

70 Which mathematical series has a fixed ratio between each number and the one before


2 Unit of time

3 Loose end of a cable

4 Add information

5 Type of flip-flop

6 The constellation in which Canopus is located

7 Last stages in transmitters

8 Reserved word in a "do loop" sequence

9 2 x SIPs

12 Short for synchronous

14 E-mail protocol

15 Switch configuration (uses numbers)

17 Units of 1000 CPS

18 His current law is famous

22 Precision radar, abbr.

23 The technician ________ the test procedure

25 Connector vendor located in Westlake Village, CA

26 Chemical symbol for iron

28 Describes the cost of RF Cafe to users

30 World's only remaining superpower

31 Min-to-max voltage of a waveform

33 Electrical safety organization

34 Greek letter

37 Integrated Services Digital Network, abbr.

40 Unit of time

41 Audio Frequency

44 PC follower

45 Galilean moon

47 Digital transmission figure of merit

48 Front edge of a wing, abbr.

49 Resistor vendor in Skokie, IL

50 High electron mobility transistor

53 One solution to a polynomial

55 Time division duplex

56 Mechanical engineering group

58 RF engineer's degree

60 Kind of switch

62 High voltage resistor manufacturer in Montreal, Quebec

65 Modulation type

67 Electromagnetic

68 Infrared

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

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.

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RF Engineering Crossword Puzzle Solution for January 31, 2016 - RF Cafe (business name: Kirt Blattenberger)

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    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 tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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