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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...

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Radio Engineering Themed Crossword Puzzle
October 25th, 2020

October 25th's custom Radio Engineering Technology themed crossword puzzle contains only only words from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. (1,000s of them). You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, find someone or something in the otherwise excluded list directly related to this puzzle's technology theme, such as Hedy Lamarr or the Bikini Atoll, respectively. The technically inclined cruciverbalists amongst us will appreciate the effort.

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


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

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


Radio Engineering Themed Crossword Puzzle for October 25th, 2020 - RF Cafe

 

ACROSS DOWN
1. Concentric cable type (pl.)

6. Color quality

9. Filter that rejects lower and higher frequencies

15. Type of logic gate (pl.)

16. Mr. Bohr's first name

18. No insulation

20. Type of flip-flop

21. Wireless transmitting device that opens a car door remotely

23. Voice of America

24. Big Blue

25. Fairchild Advanced Schottky TTL (abbr.)

26. Chemical symbol for cobalt

28. Type of data conversion device (abbr.)

30. Time division duplex (abbr.)

32. Akin to WAC, only just in America

33. Unit of energy (pl.)

34. Stock symbol for National Instruments

37. BASIC looping keyword

39. Communications where only one entity can transmit at a time

43. Multifunctional silicon devices (abbr.)

44. Galilean moon

45. Signal increaser

48. Physical quantity defined as being the work done per unit time

50. Chemical symbol for mercury

52. Morse Code for "from"

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

54. Time delay (abbr.)

56. Chemical symbol for manganese

57. Flash caused by an electric current ionizing a gas or vapor

59. Chemical symbol for rubidium

62. Logarithmic ratio (abbr.)

64. Continuous Tone Coded Squelch System (abbr.)

67. Its chemical symbol is Zr

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

73. Unix, Linux or Windows (abbr.)

74. The science of matter and energy and of interactions between the two.

76. Common gateway interface (abbr.)

77. Quickly changing portion of waveform

78. A disk operation

79. Software layer that allows a system to be programmed via a defined set of commands (abbr.)

80. Common average used for sinewaves (abbr.)

82. Exponent that returns the original number

84. Chemical symbol for lanthanum

85. Thing in a bill of material

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

90. System for guiding aircraft (abbr.)

91. Gallium nitride chemical symbol

92. Chemical symbol for silicon

93. Glass device used for focusing light

95. Device to assist in the performance of a chore (pl.)

98. Voice of America

99. Connected devices in series

100. Internet address (abbr.)

101. E=MC^2 guy

1. Plasma atmosphere layer of the sun

2. Type of logic gate (pl.)

3. Chemical symbol for arsenic

4. Apple's popular media playing device

5. Chemical symbol for lithium

6. Part of a screw that engages the driver (pl.)

7. Schema for computer or device presentation to the operator (abbr.)

8. Voltage-current phase mnemonic

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

11. Sound-pressure level derived using A-weighting (pl)

12. Last stage in transmitter (abbr., pl.)

13. ______ House, technical book publisher

14. Chemical symbol for selenium

16. Logical negation operator

17. Chemical symbol for antimony

19. An elementary particle

22. Plate or vane used to direct or control movement of fluid or air within confined area

25. Facsimile

26. Common gateway interface (abbr.)

27. Sent a file over a network (abbr.)

29. Inductor

31. SIP x 2

32. BER, 8 bits at a time

35. Stock symbol for Advanced Micro Devices

36. S12 or S21 (abbr.)

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

40. Chemical symbol for molybdenum

41. Modulation technique that varies the width of pulses in a train (abbr.)

42. Physicist after whom a law describing the direction of EMF and current resulting from induction is named

46. Internet protocol (abbr.)

47. Radio teletype (abbr.)

49. Creating a corona

51. Vacuum tube element (pl.)

55. Cellphone band just below PCS

57. The constellation in which Canopus is located

58. Chemical symbol for cobalt

60. A semi-automatic mechanical code key

61. 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

63. Masses

64. Type of distribution, squared

65. Chemical symbol for silicon

66. Special diode type that can be switched (abbr.)

68. Multifunctional silicon devices (abbr.)

69. Chemical symbol for neon

70. A series of numbers where there are as many numbers above it as below it in the series

72. Finite Element Analysis (abbr.)

74. Parts per million (abbr.)

75. The "S" in SOIC

79. Active Electronically Scanned Array (abbr.)

81. Official Space Shuttle designation (abbr.)

83. CB slang for CB radio or antenna

86. RF connector type

88. Network department (abbr.)

89. Minutes of Use (abbr.)

92. Semiconductor On Insulator (abbr.)

93. Chemical symbol for lanthanum

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

96. Type of logic gate

97. Ratio of circumference to diameter

98. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr.)

See solution below

2020 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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Radio Engineering Themed Crossword Solution for October 25th, 2020 - RF Cafe

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