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RF Engineering Theme Crossword Puzzle
March 7, 2021

This RF Engineering Crossword Puzzle for March 7th has many words and clues related to... you guessed it... RF engineering - and mathematics, chemistry, physics, and other technical words. As always, this crossword contains no names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort unless it/he/she is related to this puzzle's technology theme (e.g., Hedy Lamarr or the Bikini Atoll). The technically inclined cruciverbalists amongst us will appreciate the effort. Enjoy!

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

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

RF Engineering Theme Crossword Puzzle for March 7th, 2021 - RF Cafe

2. A metal that is liquid at room temperature

6. The "M" in ISM

11. Permeability-tuned oscillator (abbr.)

13. RF connector type

14. Switch position

15. Instrument for measuring current

19. Chemical symbol for ruthenium

20. Straight line emanating from a point source

23. Rádio Nacional de Angola (abbr.)

24. High-speed logic family

26. Current-voltage phase mnemonic

28. Determined cause and effect

30. Greek letter

33. Time relative to the fixed background of stars

35. Crystal filter type (abbr.)

36. Wireless phone regions

38. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)

40. Total Access Communication System (abbr.)

41. Increase voltage linearly

43. Ham abbreviation indicating contacts with all major land masses

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

47. Chemical element abbreviated Sn

48. Programmable logic device (abbr.)

49. Material used in the center of an inductor coil

51. Electromagnetic (abbr.)

53. __ + 54 Across, the world's greatest engineering website

54. 53 Across + ____, the world's greatest engineering website

56. ___/IP scheme for networked connectivity

57. Unit of heat

58. Encased in a protective covering

59. Electromagnetic (abbr.)

61. Chemical symbol for tin

62. Solid state power amplifier (abbr.)

64. Type of logic gate

65. Type of data storage IC

67. Device under test (abbr.)

68. Notch type filter (abbr.)

69. Institute of Electrical and Electronics Engineers

71. Its chemical symbol is Fe

72. MS's server-side script engine for dynamically-generated web pages (abbr.)

75. Its chemical symbol is Rn

78. Bits per second (abbr.)

80. Type of rock salt crystal used in radio

84. File name extension for an ASCII file

85. Determination of cause and effect

88. Automatic Calibration System (abbr.)

89. U.S. Spectrum allocation agency

91. Test document for verifying proper function (abbr.)

92. Temporary Engineering Change document (abbr.)

93. Chemical symbol for radon

95. Use a DMM or o-scope

97. Unit of volume (abbr.)

98. Shorthand for liquid oxygen

100. Intel 8086 or Motorola 6800 (abbr.)

101. The sum is greater than the parts

102. Sampling rate pioneer

1. Signals that are just above the frequency range of human hearing of approximately 20 kHz

3. 2-part adhesive

4. Stock symbol for Raytheon

5. Chemical symbol for cobalt

7. Network department (abbr.)

8. Carrier-to-noise ratio (abbr.)

9. An angle that has less than 90 degrees

10. Change velocity

12. Electronics manufacturer with "meatball" logo

15. Type of logic gate

16. 1/000 of an amp (abbr.)

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

18. Effective frontal area presented to a microwave interrogation system (abbr.)

21. Automatic network analyzer (abbr.)

22. Rotate about the vertical axis

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

25. Chemical symbol for lithium

26. U.K. equivalent of the IEEE

27. Person responsible for program spending (abbr.)

29. Difference in voltage between the surface of the diffuse layer surrounding a colloidal particle and the bulk liquid beyond (2 wds.)

30. Test equipment (abbr.)

31. Brightest star in the Aquila constellation

32. Electrical safety organization (abbr.)

34. 2-element, 1/2 wavelength radiating structure fed at the center (2 wds.)

36. Chemical symbol for cesium

37. Chemical symbol for strontium

39. Metallic outer wrapper used to contain or reject RF signals

42. Which property of a fluid determines its rate of flow

43. Weight (abbr.)

44. Cyanide (abbr.)

46. Metric length unit

48. Fifth series in the spectrum of hydrogen

50. Lubricant

52. Wire diameter unit (abbr.)

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

55. Network file transfer protocol (abbr.)

58. IC that tests for equal values

60. Unit of capacitance (pl.)

63. (Repeater Term) A code to activate a repeater function e.g. auto patch, link etc. (2 wds.)

65. Chemical symbol for rubidium

66. 300 kHz to 3 MHz

70. Chemical symbol for erbium

71. One port of an amplifier

73. System On Chip

74. Cellphone band directly above DCS

76. A common battery cell size

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

78. Base Station Transceivers (abbr.)

79. Type of chart

81. 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

82. 30 kHz to 300 kHz

83. Electronic warfare defense (abbr.)

85. Automated Test Equipment (abbr.)

86. Chemical symbol for neptunium

87. Curve formed by a point which moves according to a mathematically defined rule

90. European equivalent to the U.L.

91. Chemical symbol for argon

94. Negation prefix

96. Chemical symbol for selenium

97. Printer output resolution unit (abbr.)

99. Chemical symbol for xenon

100. Chemical symbol for copper

See solution below


2021 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 26

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RF Engineering Theme Crossword Puzzle Solution forMarch 7th, 2021 - RF Cafe

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