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Science & Electronics Crossword Puzzle
April 23, 2017

This week's tech-themed crossword puzzle, as is the case every week, contains only words pertaining to science, engineering, amateur radio, physics, mechanics, mathematics, etc. Making a special appearance is the name of the most recent company to support RF Cafe through advertising. You will see their banner graphical ad appearing in the right page border sometime this week. Opportunities exist for your company to advertise if you are interested.

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

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

Science & Electronics Crossword Puzzle for April 23, 2017 - RF Cafe

1. Rate of a radar transmitter's output waveform (abbr.)

4. Pertaining to the moon

8. 18 GHz to 26.5 GHz (hyph.)

12. Uppermost surface

15. Method of self-detection and self-fixing transmission of digital data (abbr.)

17. Filter type (abbr.)

18. Exponent that returns the original number

19. Powers pneumatic devices

21. Chemical symbol for lutetium

23. Unit of atmospheric pressure (abbr.)

25. Stock symbol for National Semiconductor

27. Type of computer display (abbr.)

28. User Datagram Protocol

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

30. A keyboard key

32. Television Interference (abbr.)

34. Unit of length (abbr.)

35. Test equipment (abbr.)

36. Type of distribution, squared

37. Hub of the solar system

38. 2 Down + ____, the world's best engineering website

39. Logic family

41. Anatech Electronics Inc., (abbr.)

42. National Bureau of Standards radio station (time signals)

43. Complex Instruction Set Computer

45. System On Chip

46. File name extension for an ASCII file

48. Generic term for a capacitor or inductor (pl.)

49. Element in front of the driven element in a Yagi or Quad antenna

50. Output intercept point (abbr.)

52. Unit of resistance

53. Transportation accident investigation agency (abbr.)

56. Communication between stations by reflecting the radio waves off of the ionosphere

58. Heatsink feature

59. Arithmetic Logic Unit (abbr.)

62. One bit of a real number

65. Charged particle

66. Personal Digital Cellular

67. Chemical symbol for radon

68. Filter type that blocks upper frequencies (abbr.)

70. Readability, Signal, and Tone (QoS report type)

72. Digital storage oscilloscope (abbr.)

73. Chemical symbol for chromium

74. Type of digital filter (abbr.)

75. Precision landing system (abbr.)

76. 36 in. (abbr., pl.)

78. 10 decibels

80. Greek letter (micro)

81. The UK's largest defense electronics contractor (abbr.)

82. Government program to bring electricity to farms (abbr.)

83. Stock symbol for Advanced Micro Devices

85. Imaging device (abbr.)

87. List of answers to commonly desired information about a product or service (abbr.)

88. Type of formation for a pushrod end where it connects to a control arm (hyph.)

89. First name of a British scientist of falling apple fame

90. Cellphone band just below PCS

2. __ + 38 Across, this website's title

3. Finite Element Analysis (abbr.)

5. Unit of inductance (abbr.)

6. Silicon transistor type (abbr.)

7. Audio Frequency Shift Keying (abbr.)

9. Drill a hole

10. Abbreviation for the radiating element of a transmitter

11. Chemical symbol for neon

12. End of soldering iron

13. Type of logic gate

14. Having to do with tube and/or transistor circuits

16. Logic gate output configuration (abbr.)

19. Ticker symbol for Analog Devices

20. Opposite of asynchronous

22. Country of RF Cafe's residency

24. Very large unit of apparent power (abbr.)

26. Million multiply accumulate operations (abbr.)

27. Cellular Telecommunications Industry Association

28. Ultra High Voltage (abbr.)

29. Data transmission pathway

31. Chemical symbol for californium

33. Multifunctional silicon devices (abbr.)

36. Pure carrier (abbr.)

37. Chemical symbol for silicon

40. Thin Shrink Small Outline Package (abbr.)

42. Wideband CDMA

44. A common RS-232 serial bus command (abbr.)

47. Original Equipment Manufacturer (abbr.)

51. Circuit for firing a radar magnetron (abbr., pl.)

52. The "O" in ROM

54. Telex-Over-Radio (abbr.)

55. Chemical symbol for tin

56. High Data Rate

57. Amateur radio abbreviation for the Oceania region (abbr.)

60. Chemical symbol for lawrencium

61. Popular computer device interface (abbr.)

63. Opposite of O.D.

64. Global System for Mobile Communications (abbr.)

66. Type of chart

67. RF computer network

69. BlackBerry or Jordana for example (abbr., pl.)

71. Temporary Engineering Change document (abbr.)

74. List of answers to commonly desired information about a product or service (abbr.)

75. U.K. equivalent of the IEEE

77. Miniature threaded RF connector

79. Display type

81. Stock symbol for Boeing

82. Chemical symbol for rubidium

84. 10E1 numerical prefix

86. Type of current

See solution below


2017 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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Science & Electronics Crossword Puzzle Solution for April 23, 2017 - RF Cafe

TotalTemp Technologies (Thermal Platforms) - RF Cafe
Anritsu Test Equipment - RF Cafe
Copper Mountain Technologies (VNA) - RF Cafe
withwave microwave devices - RF Cafe
ConductRF Phased Matched RF Cables - RF Cafe

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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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