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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.

My Hobby Website:

AirplanesAndRockets.com

RF Cafe Engineering & Science Crossword Puzzle
March 31, 2019

Since 2000, I have been creating custom technology-themed crossword puzzles for the brain-exercising benefit and pleasure of RF Cafe visitors who are fellow cruciverbalists. The jury is out on whether or not this type of mental challenge helps keep your gray matter from atrophying in old age, but it certainly helps maintain your vocabulary and cognitive skills at all ages. A database of thousands of words has been built up over the years and contains only clues and terms associated with engineering, science, physical, astronomy, mathematics, chemistry, etc. You will never find a word taxing your knowledge of a numbnut soap opera star or the name of some obscure village in the Andes mountains. You might, however, encounter the name of a movie star like Hedy Lamarr or a geographical location like Tunguska, Russia, for reasons which, if you don't already know, might surprise you.

cruciverbalist: [noun]  cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs or works crosswords.


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

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

RF Cafe Engineering & Science Crossword Puzzle March 31, 2019

ACROSS DOWN
1. Archaic term for an outdoor antenna

5. Added an attenuator

10. Frequency band at low end of audio spectrum

11. Be behind in phase

14. An abbreviation for "transmitter"

15. Chemical symbol for strontium

16. Substance that removes electrons from another reactant

20. Chemical symbol for silicon

21. Unix, Linux or Windows (abbr.)

22. Singulated piece of IC wafer

23. Base 16 number system (abbr.)

25. Band between RF and BB

26. End of Life (abbr.)

27. Maximum Usable Frequency

30. Negation prefix

32. Range of frequencies

34. A processed or unprocessed semiconductor substrate

36. Airfoil shapers

38. Chemical symbol for scandium

39. Deutsche Industrie Normenausschuss

40. End of transmission (abbr.)

42. Semiconductor and calculator company (abbr.)

43. Chemical symbol for cobalt

44. A fragmented geometric shape that can be split into parts, each of which is a reduced-size copy of the whole

46. Part of this website's title

47. Opposite of O.D.

48. 1000000 prefix

49. Software engineering tool (abbr.)

50. Chart types

52. Keyboard key

53. Joins end-to-end

55. Specialized mobile radio (abbr.)

57. Chemical symbol for molybdenum

58. Chemical symbol for beryllium

59. Type of logic gate

61. Being in-phase

66. European equivalent to the U.L.

67. Filter type that blocks frequencies in a specified band (abbr.)

68. Lowest value in a list

69. BS__ - the degree held by many RF Cafe visitors

70. Workplace safety group (abbr.)

73. Temporary Engineering Change document (abbr.)

74. Logarithmic unit of voltage

76. Unit of conductance

77. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)

1. Soak up RF energy

2. CB slang for CB radio or antenna

3. Type of flip-flop

4. Network department (abbr.)

6. Ham abbreviation for "distant station"

7. Decimeter (abbr.)

8. European Telecommunications Standards Institute (abbr.)

9. Changes from the initial value due to instability

11. Chemical symbol for lithium

12. Analog-to-Digital (abbr.)

13. Chemical symbol for gallium

16. Lubricant

17. Chemical symbol for xenon

18. Unit of inductance (abbr.)

19. Base of the decimal number system

22. U.S. military organization (abbr.)

24. Type of logic gate

26. Integrates data onto a carrier wave

27. Configuration __________, design group that tracks product revisions

28. Unit of capacitance (abbr.)

29. 12 inches (pl.)

31. Type of aircraft dope

33. Computer character set (abbr.)

34. Sent a telegram

35. Move from cell to cell

37. Bipolar Field-Effect Transistor

39. Design for Manufacturability (abbr.)

41. Chemical symbol for thallium

45. Unit of heat

49. Raise a number to the 3rd power

50. Larger moon of Mars

51. Miniature RF connector

54. Insulating cover over a solder joint

56. Type of memory

60. Receiver power level circuitry (abbr.)

62. Opposite of a LO

63. Science of assuring operation amid dense EM background noise (abbr.)

64. Greek letter used for frequency

65. Centimeter (abbr.)

66. Counter ElectroMotive Force (abbr.)

71. Chemical symbol for helium

72. Modulation type (abbr.)

74. Type of current

75. Stock symbol for Boeing


See solution below

 

2019 Crossword Puzzle Archive

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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December 1

November 24

November 17

November 10

November 3

October 27

October 20

October 13

October 6

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September 1

August 25

August 18

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February 17

February 10

February 3

January 27

January 20

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January 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF Cafe Engineering & Science Crossword Solution March 31, 2019

Amplifier Solutions Corporation (ASC) - RF Cafe
Anritsu Test Equipment - RF Cafe
Innovative Power Products Passive RF Products - RF Cafe
 

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