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RF & Microwave Crossword Puzzle
August 11, 2013

2013 Crosswords 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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A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

December 29

December 22

December 15

December 8

December 1

November 24

November 17

November 10

November 3

October 27

October 20

October 13

October 6

September 29

September 22

September 15

September 8

September 1

August 25

August 18

August 11

August 4

July 28

July 21

July 14

July 7

June 30

June 23

June 16

June 9

June 2

May 26

May 19

May 12

May 5

April 28

April 21

April 14

April 7

March 31

March 24

March 17

March 10

March 3

February 24

February 17

February 10

February 3

January 27

January 20

January 13

January 6

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

RF & Microwave Engineering Crossword Puzzle for August 11, 2013 -  RF Cafe

1. Its chemical symbol is S

6. One cutoff frequency specification for a bandpass filter

11. SIP x 2

12. Unit of length (abbr.)

14. Type of rechargeable battery (abbr., pl.)

16. Abbreviation for peak voltage


20. Part of this website's title

21. Oscillator type that is referenced to an external source (abbr.)

22. RF ____, the world's best engineering website

24. Chemical symbol for nickel

25. Telex-Over-Radio (abbr.)

28. Collection of electronic records

32. Keyboard key

34. 1E6 nanoseconds

35. Finite Element Analysis (abbr.)

38. Image file format name extension

40. Unit of liquid measure (abbr.)

41. Software for mathematical calculations

42. Computer "brain" (abbr.)

43. "Calling any amateur radio station"

45. Used logic gates

47. UMTS terrestrial radio access (abbr.)

49. Chemical symbol for erbium

51. Upper Sideband (abbr.)

53. Central region in a FET

56. Ham abbreviation for "distant station"

57. Graphics file extension

59. Permeability-tuned oscillator (abbr.)

60. Ratio of circumference to diameter

62. ___-back transformer

65. Branch of the military with airborne laser weapon (2 wds.)

68. 30 Hz to 300 Hz

70. Chemical symbol for tin

71. Type of transistor (abbr.)

72. Ham abbreviation indicating contacts with all major land masses

74. PC follower

75. IEEE802.11, FCC Part 15, or MIL-STD-202, for example

78. Chemical symbol for radon

79. The "E" in EHF

82. Yard (abbr.)

83. "Texting" (abbr.)

84. Exalted-Carrier Single Sideband (abbr.)

85. One tier of a PCB (pl.)

1. Half of a DIP

2. One type of electron spin

3. The "F" in EMF

4. Type of memory

5. Nordic Mobile Telephone

7. Switch position

8. The "W" in AWG

9. Electromotive force (abbr.)

10. Chemical symbol for rhodium

11. This calculus operation yields current through an inductor

13. Type of capacitor dielectric

15. Small DIP package (abbr.)

17. Filter type that blocks lower frequencies (abbr.)

18. RF computer network

19. A series of stages in which the output of one stage is the input of the next stage

23. Chemical symbol for iron

26. Opposite of I.D.

27. Actively cause to remain within tolerance

29. Amateur Teleprinter Over Radio (abbr.)

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

31. Separate AC from DC

33. Chemical symbol for lithium

35. Unit of inductance (abbr.)

36. A common battery cell size

37. Unit of frequency (archaic, abbr.)

39. A BPF specification (abbr.)

41. Akin to an EE, CE, AE, etc.

44. Requests for information from a database

46. The "R" in RF

48. Chemical symbol for thallium

50. Chemical symbol for rubidium

52. Chemical symbol for berkelium

54. Filter type that blocks lower frequencies (abbr.)

55. Chemical symbol for nobelium

58. 300 kHz to 3 MHz

60. Unit of capacitance (abbr.)

61. Organization requiring 25 years of amateur service for membership, abbr.

63. Ham-ese for Young Lady

64. Certificate of Successful Completion of Examination (abbr.)

65. Sound frequency in the human hearing range (abbr.)

66. Radio teletype (abbr.)

67. Effect (named after its discoverer) that is the variation in the width of the base in a BJT due to a variation in the applied base-to-collector

69. Cooling devices

71. Joint Tactical Radio Service

73. Chemical symbol for cadmium

74. System for guiding aircraft (abbr.)

76. Type of data conversion device (abbr.)

77. High speed data over telephone lines (abbr.)

78. Common average used for sinewaves (abbr.)

80. Chemical symbol for xenon

81. Chemical symbol for arsenic

83. Chemical symbol for strontium

See solution below

















RF & Microwave Engineering Crossword Puzzle Solution for August 11, 2013 -  RF Cafe

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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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