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!
Crane Aerospace Electronics Microwave Solutions: Space Qualified Passive Products

ConductRF Phased Matched RF Cables - RF Cafe

Anatech Electronics RF Microwave Filters - RF Cafe

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

Rigol DHO1000 Oscilloscope - RF Cafe

Electronics Theme Crossword Puzzle
May 16, 2021

This Electronics Theme Crossword Puzzle for May 16th 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

Electronics Theme Crossword Puzzle for May 16th, 2021 - RF Cafe

1. A class of subatomic particles that are composed of quarks and take part in the strong interaction

6. Gain of one amplifier

11. 1/60 of a minute of angular measurement

13. 12 inches (pl.)

15. Large unit of apparent power (abbr.)

16. Software drafting tool (abbr.)

18. Chemical symbol for radium

19. Greek letter (micro)

20. S12 or S21 (abbr.)

22. Small unit of capacitance (abbr.)

23. FCC Part 15 rules apply in this band (abbr.)

25. On-the-air meeting of hams at a set time, day and radio frequency

26. Junk e-mail

27. Filter type also known as 'Cauer' (pl.)

31. Amateur Radio Association (abbr.)

33. Part of a directive antenna that derives energy from mutual coupling with the driven element (2 wds.)

41. Early computer display screen resolution (abbr.)

42. Unit of apparent power (2 wds, pl.)

47. Inductor

49. U.K. equivalent of the IEEE

50. Family of ICs with a certain component density level (abbr.)

51. Chemical symbol for thallium

53. Chemical symbol for tin

54. Analog-to-Digital (abbr.)

55. Chemical symbol for silver

56. Virtual Private Network

58. Wireless transmitting device that opens a car door remotely

60. Low altitude earth orbit

62. Mr. Fraunhofer's first name

64. Did not pass electrical test

65. Software object reference names

1. Chemical symbol for helium

2. Abbreviation for acknowledge (also a common word used by Bill the Cat)

3. ____tail, a type of strong wood joint

4. Rádio Nacional de Angola (abbr.)

5. Opposite of I.D.

7. Unit of capacitance (abbr.)

8. Enrico _____, nuclear physicist

9. Finite Element Analysis (abbr.)

10. Radio signals from the cosmos (abbr.)

11. Propagation by means of ionospheric reflection

12. Chemical symbol for tantalum

14. Mate to a bolt (pl.)

16. Curly-Q type light bulb (abbr.)

17. SIP x 2

19. Transitioning from solid to liquid phase

21. Hedy _____, Hollywood actress with first patent for spread spectrum communications

22. Create a power supply output w/o a ground reference

24. Alloy of iron and low percentages of carbon, manganese, chromium, etc.

25. 1e-6 mA

26. ____ Meet, a Ham's flea market

28. Stock symbol for Intel

29. Study for a test just before taking it

30. Electrical overstress (abbr.)

32. Made use of a communication type that method makes use of electromagnetic waves

34. Automated universal inductance tester - watch that 3rd letter, (abbr.)

35. Things in a bill of material

36. Institute of Electrical and Electronics Engineers

37. A popular spreadsheet

38. IC killer (abbr.)

39. Reflected radar or sonar signal (pl.)

40. Loose end of a cable

42. Circuit element connecting PCB layers (pl.)

43. Front edge of a wing (abbr.)

44. Alternative name for Beta Persei

45. Peak Inverse Voltage

46. Stock symbol for Raytheon

48. Foot/12

52. Front end of a rocket

55. Anatech Electronics Inc., (abbr.)

57. Max or min voltage of a waveform (abbr.)

58. Wireless transmitting device that opens a car door remotely

59. 10 decibels

60. Chemical symbol for lanthanum

61. Chemical symbol for selenium

62. Intel x86 command for " jump if above"

63. Unit of time (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.

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
















Electronics Theme Crossword Solution for May 16th, 2021 - RF Cafe

Rigol DHO1000 Oscilloscope - RF Cafe
Cafe Press

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

Innovative Power Products Passive RF Products - RF Cafe