RF Cafe Engineering & Science Crossword Puzzle
April 22, 2018

6. Robert ______-Watt, "Father of Radar"

10. Frequency Division Duplex

11. Multifunctional silicon devices (abbr.)

13. Singulated piece of IC wafer

15. Unit of capacitance (abbr.)

17. Type of logic gate (pl.)

19. 1e-6 mA

20. Bandwidth (abbr.)

21. Chemical symbol for silicon

22. The "B" in BER

24. Alternative name for Beta Persei

25. Hide data within a message

26. Filter type that blocks frequencies below and above a specified band (abbr.)

28. Opposite of I.D.

30. Keyboard key

34. ______ velocity - speed necessary to become free of the Earth's gravitational force

38. Type of current flow (abbr.)

39. Communication between stations by reflecting the radio waves off of the ionosphere (pl.)

40. Plane curve traced out by a point which moves so that its distance from a fixed line is equal to its distance from a fixed point

44. Generalized Multiprotocol Label Switching (abbr.)

46. C++, Java, BASIC, or Fortran, for example

48. Mate to a socket

51. One component of a complex number (abbr.)

52. Circular mounting hardware

53. Insulating cover over a solder joint

56. Type of component package (abbr.)

58. Part of this website's title

60. Mean, geometric, rolling, etc.

64. Electronically images a document

67. Common average used for sinewaves (abbr.)

68. Equalizer (abbr.)

69. Unit of frequency (archaic, abbr.)

70. Electromagnetic (abbr.)

71. Abbreviation for acknowledge (also a common word used by Bill the Cat)

74. Chemical symbol for ruthenium

75. ELI the ICE ___

77. Chemical symbol for selenium

78. Rádio Nacional de Angola (abbr.)

80. Microsoft's interpreter BASIC supplied with DOS

81. Filter supplier located in Gaithersburg, MD

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

3. Time division duplex (abbr.)

4. Opposite of O.D.

5. European space probe which visited Halley's comet

7. Analog-to-Digital (abbr.)

8. Telecommunications Information Network Architecture (abbr.)

9. Impenetrable physical barrier

12. Chemical symbol for chromium

14. Shortwave listener (abbr.)

16. A final surface coating

18. Half of DSB

20. Threaded fastener

22. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm

23. Internet protocol (abbr.)

27. Chemical symbol for palladium

29. Slang for Ursa Major and Minor

31. Software object reference names

32. Engineering Change Order (abbr.)

33. Online auction site

35. Chemical symbol for cobalt

36. Point in an revolving object's orbit that is farthest to the body it is orbiting

37. Unit of time (abbr.)

41. Chemical symbol for aluminum

42. Type of flip-flop

43. Oscillator type that is referenced to an external source (abbr., pl.)

44. Chemical symbol for gallium

45. Chemical symbol for magnesium

47. The design component of total product cost (abbr.)

48. Last stage in a transmitter (abbr.)

49. Unit of inductance (abbr.)

50. He developed a "counter" for measuring radiation levels

54. Type of high frequency circuit substrate (abbr.)

55. Chemical symbol for erbium

57. Point placed on a scope or analyzer display for noting a specific value

59. Finite Element Analysis (abbr.)

61. Abbreviation for minimum voltage

62. Chemical symbol for einsteinium

63. Exactly the same in mathematics

64. Miniature RF connector

65. Electric enclosure standard organization (abbr.)

66. Miniature threaded RF connector (pl.)

72. Chemical symbol for cesium

73. Low- to mid- frequency RF connector

76. Chemical symbol for nickel

78. Chemical symbol for radium

79. PC follower

December 30
December 23
December 16
December 9
December 2
November 25
November 18
November 11
November 4
October 28
October 21
October 14
October 7
September 30
September 23
September 16
September 9
September 2

August 26
August 19
August 12
August 5
July 29
July 22
July 15
July 8
July 1
June 24
June17
June 10
June 3
May 27
May 20
May 13
May 6

April 29
April 22
April 15
April 8
April 1
March 25
March 18
March 11
March 4
February 25
February 18
February 11
February 4
January 28
January 21
January 14
January 7