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!
Werbel Microwave (power dividers, couplers)

Innovative Power Products Passive RF Products - RF Cafe

Crane Aerospace Electronics Microwave Solutions: Space Qualified Passive Products

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

Windfreak Technologies Frequency Synthesizers - RF Cafe

Science-Theme Crossword Puzzle
March 14, 2021

This Science-Theme Crossword Puzzle for March 14th has many words and clues related to... you guessed it... RF 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

Science-Theme Crossword Puzzle for March 14th, 2021 - RF Cafe

1. Summers

5. Logarithmic unit of voltage

9. Exponent that returns the original number

10. Switch position

11. Its chemical symbol is Ce

13. 1.602E-19 Joules

14. Line of Sight (abbr.)

15. Type of graph with a circular grid

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

18. Wireless phone region

19. Part of a FOR loop

20. Chemical symbol for calcium

21. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr.)

22. Chemical symbol for strontium

23. Occlusion of one heavenly body by another

26. BER, 8 bits at a time

29. Morse Code for "from"

30. An amateur station transmitting communications for the purpose of observation of propagation and reception or other related experimental activities (2 wds.)

33. Chemical symbol for helium

34. Charged particle

36. Type of interference to stations on nearby frequencies due to overmodulation

40. Total radiated power (abbr.)

42. Electronics Industry Association (abbr.)

43. Curve produced when a cone is cut by an oblique plane which does not intersect the base (pl.)

45. Nordic Mobile Telephone

47. Unit of inductance (abbr.)

50. Semiconductor device that varies its transconductance according to light intensity

53. Chemical symbol for tin

55. Half of a DIP

56. Test equipment vendor

58. PC follower

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

60. Chemical symbol for silicon

61. A BPF specification (abbr.)

62. Short for terminal

63. Last stage in a transmitter (abbr.)

64. Change connector type

67. Peripheral Component Interface (abbr.)

68. 1/000 of an amp (abbr.)

69. Impurity in a semiconductor

71. Chemical symbol for neodymium

72. ___-back transformer

74. Color code for the number 2 (pl.)

75. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)

1. Army-Navy specification prefix

2. Stock symbol for Dell Computer

3. Electrical overstress (abbr.)

4. Chemical symbol for radon

5. Keyboard key

6. Securing device

7. Gigantic star in Cetus

8. Volume unit (abbr.)

9. Radio term for indicating the end of a transmission segment

11. Chemical symbol for cobalt

12. Repositioned

13. Exalted-Carrier Single Sideband (abbr.)

15. The tip of a PCB probe

17. The largest asteroid

19. Chemical symbol for thallium

24. Alloy of copper and nickel which has an electrical resistance that barely changes with temperature

25. Orbiting communications platform (pl.)

27. Organization requiring 25 years of amateur service for membership, abbr.

28. Semiconductor On Insulator (abbr.)

31. ampere-hour (abbr.)

32. Logical negation (pl.)

35. The design component of total product cost (abbr.)

36. Chemical symbol for selenium

37. Part of a male connector

38. Light

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

41. Unit of time (abbr.)

44. Positive emitter-coupled logic (abbr.)

46. Amplifier linearity specification (abbr.)

48. Chemical symbol for holmium

49. Thin Shrink Small Outline Package (abbr.)

51. Change from the initial value due to instability

52. Radio-Electronics-Television Manufacturer's Association

54. Rechargeable battery type (abbr.)

56. Part of CAD

57. Coefficient of temperature (abbr.)

58. Branch of the armed forces

60. Fail-____ switch

62. Image file format name extension

65. Automatic Calibration System (abbr.)

66. Chemical symbol for platinum

67. Personal Digital Cellular

70. Chemical symbol for erbium

71. A measure of receiver quality (abbr.)

73. Front edge of a wing (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
















Science-Theme Crossword Puzzle Solution for March 14th, 2021 - RF Cafe

Windfreak Technologies Frequency Synthesizers - RF Cafe
Innovative Power Products Passive RF Products - RF Cafe

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

TotalTemp Technologies (Thermal Platforms) - RF Cafe