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Engineering Theme Crossword Puzzle
January 3, 2021

This first Engineering Crossword Puzzle of 2021 has many words and clues related to... you guessed it... 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

Filter Theme Crossword Puzzle for January 3, 2021 - RF Cafe

1. Graph type used to plot immittance (2 wds.)

8. Release volatile products from a liquid coating such as paint

13. Unit of inductance (abbr.)

14. Active Electronically Scanned Array (abbr.)

15. Circuit that reduces interference (abbr.)

16. Ticker symbol for Analog Devices

17. Apollo 11 astronaut Buzz ______

19. The "C" in CPS

20. Ratio of circumference to diameter

21. "Texting" (abbr.)

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

25. French mathematician and physicist who's name is used as a unit of gas pressure

30. Semiconductor On Insulator (abbr.)

31. Fairchild Advanced Schottky TTL (abbr.)

32. The UK's equivalent of the FCC

33. Chemical symbol for magnesium

34. CRT electron beam scan type

35. Finite-Element Model

36. Uses a squeezing tool for attaching a wire lug

41. Resistive component of a capacitor's lumped element model (abbr.)

42. 1e-6 mA

43. Wrapped plastic insulation around an electrical joint

44. Intermodulation (abbr.)

46. Radio signals from the cosmos (abbr.)

47. Opposite of I.D.

48. Transformer interwinding connection

52. Chemical symbol for cobalt

53. Greek letter

55. The "R" in BER

57. Facility where semiconductors are manufactured

59. Infrared (abbr.)

60. Greek letter

61. Measure of source / load mismatch (abbr.)

62. One type of electron spin

63. ___/IP scheme for networked connectivity

65. Measure of source/load match

66. Mass unit (abbr., pl.)

67. Unit of inductance (abbr.)

68. Online service

69. Application Specific Integrated Circuit (abbr.)

72. Time taken for one complete oscillation of a vibrating object

77. Charged particle

79. Volume unit (abbr.)

81. Science of light transmission

83. Mr. Piper's famous yellow airplane

84. Antenna (abbr.)

85. 3-D geometrical figure that is symmetrical about each of three perpendicular axes, and has circular sections along one axis and elliptical sections along the others (pl.)

86. Structures of columns and rows

1. Ratio of filter's stopband bandwidth (usually 60 dB) to its passband bandwidth (usually 3 dB) (2 wds.)

2. Intermodulation distortion (abbr.)

3. Aerodynamic force opposing drag

4. Units of luminosity

5. Chemical symbol for helium

6. File name extension for an ASCII file

7. Straight line eminating from a point source

8. Exponent that returns the original number

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

10. Karl Friedrich _____, after whom the unit of magnetic field strength is named

11. Analog-to-Digital (abbr.)

12. Name given to a set of practices designed to improve manufacturing processes and eliminate defects (2 wds.)

15. Chemical symbol for aluminum

18. International phonetic alphabet letter "L"

22. Product of force x distance from a point (pl.)

24. Unit of time (abbr.)

25. It is the "P" in S2P

26. Colorado Springs military school (abbr.)

27. Society of Civil and Structural Engineers (abbr.)

28. Commercial Off-the-Shelf

29. Its chemical symbol is Am

37. Aircraft tracking system (pl.)

38. Internet protocol (abbr.)

39. 'Shooting star'

40. BlackBerry or Palm for example (abbr.)

45. Change from one thing into another

46. Describes growth on a crystalline substrate of a crystalline substance that mimics the orientation of the substrate

49. Dot and cross are examples of these

50. Audio Frequency Shift Keying (abbr.)

51. Citizens Broadband Radio Service (abbr.)

54. Doping ions inserted into a semiconductor lattice

56. Code for a type of electrical wire insulation (abbr.)

58. Conductor size unit (abbr.)

64. Chemical symbol for cobalt

65. British term for vacuum tube

70. Semiconductor On Insulator (abbr.)

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

72. Peripheral Component Interface (abbr.)

73. IC killer (abbr.)

74. Multifunctional silicon devices (abbr.)

75. One port of an amplifier

76. Sound-pressure level derived using A-weighting

78. Exponent that returns the original number

80. Electrical safety organization (abbr.)

82. Galilean moon

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.

2024 | 2023 |2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku


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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Filter Theme Crossword Puzzle Solution for January 3, 2021 - RF Cafe

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