Electronics World articles Popular Electronics articles QST articles Radio & TV News articles Radio-Craft articles Radio-Electronics articles Short Wave Craft articles Wireless World articles Google Search of RF Cafe website Sitemap Electronics Equations Mathematics Equations Equations physics Manufacturers & distributors LinkedIn Crosswords Engineering Humor Kirt's Cogitations RF Engineering Quizzes Notable Quotes Calculators Education Engineering Magazine Articles Engineering software RF Cafe Archives Magazine Sponsor RF Cafe Sponsor Links Saturday Evening Post NEETS EW Radar Handbook Microwave Museum About RF Cafe Aegis Power Systems Alliance Test Equipment Centric RF Empower RF ISOTEC Reactel RF Connector Technology San Francisco Circuits Anritsu Amplifier Solutions Anatech Electronics Axiom Test Equipment Conduct RF Copper Mountain Technologies Exodus Advanced Communications Innovative Power Products KR Filters LadyBug Technologies Rigol TotalTemp Technologies Werbel Microwave Windfreak Technologies Wireless Telecom Group Withwave RF Cafe Software Resources Vintage Magazines RF Cafe Software WhoIs entry for RF Cafe.com Thank you for visiting RF Cafe!
Innovative Power Products Passive RF Products - RF Cafe

everythingRF RF & Microwave Parts Database (h1)

Werbel Microwave (power dividers, couplers)

Please Support RF Cafe by purchasing my  ridiculously low-priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

TotalTemp Technologies (Thermal Platforms) - RF Cafe

RF Engineering Theme Crossword Puzzle
March 28, 2021

This RF Engineering Theme Crossword Puzzle for March 28th 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

Engineering-Theme Crossword Puzzle for March 28th, 2021 - RF Cafe

1. Astronomical distance of 3.26 light years

4. Having a single polarity

8. A common battery cell size

10. Greek letter

11. Shorthand for troposphere

13. Ham's code for "Are your receiving me badly?"

15. 10 Down + ____, the world's best engineering website

17. Trans European Trunked RAdio

18. Type of logic gate

19. An abbreviation for "receiver"

21. Network department (abbr.)

22. Internet protocol (abbr.)

23. Relating to any picture or visual information, from the latin word meaning "I see"

25. Microprocessor vendor

27. Chemical symbol for helium

28. File name extension for an ASCII file

29. Mr. Ohm's first name

32. Type of flip-flop

33. Chemical symbol for selenium

34. Chemical symbol for nobelium

35. National Television System Committee (abbr.)

37. Moving air

38. Unit of time (abbr.)

40. Chemical symbol for rubidium

41. Chemical symbol for tantalum

42. _____-Carlo analysis

43. End of transmission (abbr.)

44. Test equipment (abbr.)

45. First series in the spectrum of hydrogen

47. Log onto a hard drive

49. Last stage in a transmitter (abbr.)

50. Multifunctional silicon devices (abbr.)

51. Automatic Testing, Evaluation & Reporting (abbr.)

53. Chemical symbol for silver

54. "Peace Prize" endowment creator, who made his fortune on the discovery of dynamite

56. Most protruding part of planetary rings as seen from distance

59. Shortwave listener (abbr.)

61. Data transmission pathways

62. Last statement in a BASIC program

64. Radio Amateurs of Canada (abbr.)

66. Adjust two signal to be exactly equal

67. Unit of conductance

1. Type of programmable device (abbr.)

2. Solid figure that has every point on its surface equidistant from its center

3. Chemical symbol for calcium

4. Universal Asynchronous Transmit/Receive (abbr.)

5. Type of high frequency diode (abbr.)

6. Opposite of I.D.

7. Powers pneumatic devices

9. Automatic Testing, Evaluation & Reporting (abbr.)

10. __ + 15 Across, the world's best engineering website

12. Using a logical connection scheme for redundant power supplies

13. Ham's code for "Shall I decrease power?"

14. Man who invented the steam engine and after whom the unit of power is named (2 wds.)

16. Amateur Radio on the International Space Station (acr.)

17. Boob tube (abbr.)

18. Lubricant

20. Powerline based networking vendor based in Canada

23. Diode type whose capacitance is controlled by a reverse bias (pl.)

24. Type of current

25. Type Mylar airframe structure covering (2 words)

26. The "E" in ELF

30. Switch position

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

33. Chemical symbol for silicon

36. Chemical symbol for antimony

37. Unit of magnetic flux(abbr.)

39. Chemical symbol for tin

41. Frequency (pl.)

42. Equivalent of Windows on Apple products

43. Chemical symbol for europium

45. Be behind in phase

46. 60 seconds

48. Color code for the number 3

49. Programmable logic device (abbr.)

51. Active Electronically Scanned Array (abbr.)

52. Chemical symbol for thallium

55. Bit error rate tester (abbr.)

57. Chemical symbol for neodymium

58. Additive white Gaussian noise

60. 3-phase transformer configuration

63. Read-only (abbr.)

65. Chemical symbol for cesium

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.

December 26

December 19

December 12

December 5

November 28

November 21

November 14

November 7

October 31

October 24

October 17

October 10

October 3

September 26

September 19

September 12

September 5

August 29

August 22

August 15

August 8

August 1

July 25

July 18

July 11

July 4

June 27

June 20

June 13

June 6

May 30

May 23

May 16

May 9

May 2

April 25

April 18

April 11

April 4

March 28

March 21

March 14

March 7

February 28

February 21

February 14

February 7

January 31

January 24

January 17

January 10

January 3
















Engineering-Theme Crossword Puzzle Solution for March 28th, 2021 - RF Cafe

TotalTemp Technologies (Thermal Platforms) - RF Cafe
KR Electronics (RF Filters) - RF Cafe

Innovative Power Products Passive RF Products - RF Cafe

RF Cascade Workbook 2018 by RF Cafe