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RF & Microwave Theme Crossword Puzzle
January 10, 2021

This RF & Microwave Crossword Puzzle of 2021 has many words and clues related to engineering, 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

Engineering Theme Crossword Puzzle for January 10, 2021 - RF Cafe

2. The Brits call it a valve (2 wds.)

9. A data unit in quantum computing

12. Chemical symbol for terbium

13. Display type

14. RF ____, the world's best engineering website

16. Unit of atmospheric pressure (abbr.)

17. Chemical symbol for gold

18. Analog-to-Digital (abbr.)

20. Chemical symbol for praseodymium

21. Telex-Over-Radio (abbr.)

22. Last statement in a BASIC program

23. Low Noise Amplifier (abbr.)

25. Prevented the direct physical transfer of signals from one point to another

28. First name of a British scientist of falling apple fame

30. Synchronous Digital Hierarchy

32. Antenna (abbr.)

33. Computer messaging service

36. 1/000 of an amp (abbr.)

37. Chemical symbol for erbium

39. Constellation : The scales

40. Anatech Electronics Inc., (abbr.)

42. Positive voltage lead color

44. Undesireable background information

46. Type of radiation that has sufficient energy to knock electrons free from their orbits

50. Rádio Nacional de Angola (abbr.)

51. Attenuator

52. Person responsible for program spending (abbr.)

53. Front edge of a wing (abbr.)

55. Chemical symbol for radon

56. Type of current flow (abbr.)

57. Communication between stations by reflecting the radio waves off of the ionosphere

58. Apollo 11 astronaut ____ Armstrong

60. Negation prefix

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

62. Ham radio organization (abbr.)

63. A bridge circuit used for accurate electrical measurements, named after its inventor

1. Filter circuit used to flatten group delay (pl.)

3. Automated Test Equipment (abbr.)

4. Unlicensed FCC Part 95 realm for personal and business radio use (abbr.)

5. The "U" in UHF

6. Wire diameter unit (abbr.)

7. Time delay (abbr.)

8. Bit rate unit

10. Multifunctional silicon devices (abbr.)

11. Transformer interwinding connection

15. What is the resistance that a moving object encounters as it slides over another

16. Online service

17. Boolean expression (pl.)

19. The system than converts common website names to IP addresses (abbr.)

21. Tall structure for antennas

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

24. A common battery cell size

26. Plane geometric figure having three straight sides and three angles

27. One component of a voltage or current vector (2 wds.)

29. Circuit that reduces interference (abbr.)

31. Decimeter (abbr.)

34. Hiram Percy _____, founder of the ARRL

35. Constellation : The lion

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

41. Type of digital filter (abbr.)

43. 2/3 of a triac

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

47. Opposite of I.D.

48. Small representative graphics

49. Hit a component with an electrostatic discharge

51. Radio signal route

54. Electronics Industry Association (abbr.)

57. Having power applied (slang)

58. Silicon transistor type (abbr.)

59. Chemical symbol for lawrencium

60. 1e-6 mA

61. Chemical symbol for holmium

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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Crossword Puzzle Solution for January 10, 2021 - RF Cafe

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