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RF Engineering Crossword Puzzle
July 10, 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. Clues for words having to do with types of engineers are marked with an asterisk (*). 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 July 10, 2016 - RF Cafe


2. The "B" in BJT

6. Turn source into an executable file

11. Silicon transistor type (abbr.)

13. Semiconductor On Insulator (abbr.)

14. Decimeter (abbr.)

15. Type of engineer that deals with reliability and life cycle issues*

19. Home state of Los Alamos lab (abbr.)

20. Stock symbol for Hewlett Packard

23. Total radiated power (abbr.)

24. BlackBerry or Palm for example (abbr.)

26. Type of data conversion device (abb.)

28. Signals in the sky

30. FCC's Universal Licensing System (abbr.)

33. Reduce

35. Nordic Mobile Telephone

36. Adheres

38. Airport Surveillance Radar (abbr.)

40. Encased in a protective covering

41. Electron beam particle

43. Conductor size unit (abbr.)

45. Type of logic gate (pl.)

47. Singulated piece of IC wafer

48. Logical negation operator

49. High power density battery chemistry (abbr.)

51. Unit of length (abbr.)

53. Semiconductor and calculator company (abbr.)

54. Move like a wheel along a surface

56. 30 GHz to 300 GHz

57. Transmit Incremental Tuning (abbr.)

58. The "T" in ATE

59. Write-Once (abbr.)

61. Chemical symbol for praseodymium

62. Type of antenna with an element made of a single, flexible rod or tube

64. Automatic Calibration System (abbr.)

65. Radio Amateurs of Canada (abbr.)

67. Exponent that returns the original number

68. Frequency Division Duplex

69. The "D" in RFID (pl.)

71. Threaded tuning rod in a coil

72. Type of logic gate

75. Type of reconfigurable memory (abbr.)

78. Greek letter

80. Short for "intermodulation"

84. File name extension for an ASCII file

85. What relationship does one wave motion have to another if its frequency is a multiple of the other

88. World's largest yearly convention of gadget and device manufacturers (abbr.)

89. Logarithmic unit of ratio (abbr., pl.)

91. Yttrium Aluminum Garnet

92. Type of computer display (abbr.)

93. Unit of apparent power (abbr.)

95. Mr. Röntgen's first name

97. Chemical symbol for thallium

98. 30 Hz to 300 Hz

100. Having power applied (slang)

101. Contact used on motors to conduct current through a rotating interface (pl.)

102. Type of engineering that involves determining how a product was made by somebody else*


1. Type of engineer that designs machines, enclosures, brackets, supports, etc.*

3. International phonetic alphabet letter "I"

4. Parts per million (abbr.)

5. Switch position

7. Unit of time (abbr.)

8. Charged particle

9. Restrain voltage input

10. Type of engineer that deals with circuits*

12. Chemical symbol for chlorine

15. Ham's code for "Shall I send more slowly?"

16. One type of electron spin

17. Test point (abbr.)

18. 36 in. (abbr., pl.)

21. Spurious RF products created by metal joints (abbr.)

22. Ham's code for "Shall I stop sending?"

23. Test equipment (abbr.)

25. Chemical symbol for gold

26. A common battery cell size

27. Cellphone band below PCS

29. Arrangement of vectors showing phase relationships between two or more AC quantities of the same frequency (2 wds.)

30. Electrical safety organization (abbr.)

31. Mr. Boltzmann's first name

32. Chemical symbol for selenium

34. RF Cafe webmaster's last name

36. Chemical symbol for gadolinium

37. Chemical symbol for antimony

39. Variable resistor (pl.)

42. Type of engineer that deals in the region of the radio spectrum above 1 GHz*

43. Analog-to-Digital (abbr.)

44. Electronics manufacturer with "meatball" logo

46. Term for asymmetry of a statistical distribution (pl.)

48. Fuel additive

50. Current-voltage phase mnemonic

52. Unit of admittance

53. End of soldering iron

55. Family of ICs with a certain component density level (abbr.)

58. Circuit or mechanical professional usually with an Associate's or higher degree and/or military experience*

60. Type of engineer that deals with aircraft tracking systems (pl.)*

63. Type of engineer that deals with product creation in the factory*

65. Type of engineer that deals with communications across the electromagnetic spectrum*

66. Chemical symbol for cadmium

70. Morse Code for "from"

71. Type of component package (abbr.)

73. Exponent that returns the original number

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

76. Last stage in a transmitter (abbr.)

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

78. RF connector type

79. Powers pneumatic devices

81. A Ham station that operates from several grid squares or counties during a contest

82. Opposite of I.D.

83. Logarithmic unit of power (abbr.)

85. Amateur radio enthusiast

86. Chemical symbol for silver

87. Transitions from solid to liquid phase

90. Chemical symbol for silicon

91. Ham-ese for Young Lady

94. Arithmetic Logic Unit (abbr.)

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

97. Telex-Over-Radio (abbr.)

99. Start frequency (abbr.)

100. Chemical symbol for helium

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 July 10, 2016 - RF Cafe

Innovative Power Products Resistors Terminations

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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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