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Technology Theme Crossword Puzzle
June 27, 2021

This Technology Theme Crossword Puzzle for June 27th has many words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical subjects. 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., Reginald Denny or the Tunguska event in Siberia). 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

Technology Theme Crossword Puzzle for June 27, 2021 - RF Cafe

1. Cellphone band directly above DCS

4. Vacuum tube element (pl.)

8. Sets of 5 work days

12. Permeability-tuned oscillator (abbr.)

15. Electromotive force (abbr.)

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

18. Wire diameter unit (abbr.)

19. Circuit for maintaining constant voltage (abbr.)

21. A common battery cell size

23. A common battery cell size

25. Peak envelope power (abbr.)

27. Method of sending high-speed digital signals on electric distribution wires, a Ham's nemesis (abbr.)

28. Stock symbol for Advanced Micro Devices

29. Intermodulation (abbr.)

30. Rádio Nacional de Angola (abbr.)

32. Ham's code for "Your net frequency is High."

34. Chemical symbol for silicon

35. Unit of time (abbr.)

36. Half of a DIP

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

38. Is behind in phase

39. The "L" in VLF

41. 1/000 of an inch

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

43. Gasoline, diesel, etc.

45. Agilent's EE design software (abbr.)

46. Bulk Acoustic Wave

48. Type of FET

49. One port on a BJT (pl.)

50. Numerical basis for decibels (abbr.)

52. Automated Test Equipment (abbr.)

53. Electronic assembly transport container

56. Direction of carbon fiber strands

58. Multiplexer (abbr.)

59. Attenuator

62. Mate to a socket

65. Lubricant

66. 10 decibels

67. Chemical symbol for krypton

68. Chemical symbol for europium

70. Mr. Piper's famous yellow airplane

72. Stock symbol for Raytheon

73. Chemical symbol for neptunium

74. Electronic component package type (abbr.)

75. 10E1 numerical prefix (pl.)

76. Opposite of USB

78. Total radiated power (abbr.)

80. Chemical symbol for calcium

81. Nuclear explosion byproduct harmful to electronics (abbr.)

82. Type of digital filter (abbr.)

83. Last statement in a BASIC program

85. Wireless transmitting device that opens a car door remotely

87. International Microwave Symposium (abbr.)

88. Generalized Multiprotocol Label Switching (abbr.)

89. International phonetic alphabet letter "O"

90. Base of the binary number system

2. European equivalent to the U.L.

3. Miniature threaded RF connector

5. Chemical symbol for radium

6. Innovative Power Products, Holbrook, NY (abbr.)

7. Thread cutting tools

9. Nuclear explosion byproduct harmful to electronic (abbr., pl.)

10. High-speed logic family

11. Unit of length (abbr.)

12. Programmable Logic Device (abbr.)

13. Coefficient of temperature (abbr.)

14. High current gain transistor configuration (pl.)

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

19. Unit of current

20. The region in a device's linear operating region where the input signal is minimal (hyph.)

22. Automatic network analyzer (abbr.)

24. Circuit that reduces interference (abbr.)

26. Spurious RF products created by metal joints (abbr., pl.)

27. Illumination device

28. Powers pneumatic devices

29. U.K. equivalent of the IEEE

31. Chemical symbol for silver

33. Chemical symbol for holmium

36. Chemical symbol for scandium

37. Chemical symbol for ruthenium

40. One of Dilbert's workmates

42. O-scope time base action

44. Signal-to-noise ratio (abbr.)

47. System for guiding aircraft (abbr.)

51. General Mobile Radio Service (abbr.)

52. Wheel attachment point

54. Output intercept point (abbr.)

55. Chemical symbol for thallium

56. Semiconductor lamp

57. Chemical symbol for aluminum

60. Type of current flow (abbr.)

61. Device under test (abbr.)

63. Chemical symbol for lawrencium

64. Coordinated Universal Time (abbr.)

66. Graphics file extension

67. ___ Friedrich Gauss, after whom the unit of magnetic field strength is named

69. A compiler directive

71. Notch type filter (abbr.)

74. "Texting" (abbr.)

75. SIP x 2

77. Low- to mid- frequency RF connector

79. Short for potentiometer

81. Electromagnetic (abbr.)

82. Type of modulation (abbr.)

84. 10E1 numerical prefix

86. Bandwidth (abbr.)

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.

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