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!
Anritsu Test Equipment - RF Cafe

LadyBug RF Power Sensors

ConductRF Phased Matched RF Cables - 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

PCB Directory (Manufacturers)

Engineering and Physics Theme Crossword Puzzle
February 7th, 2021

This Engineering and Physics Theme crossword puzzle for February 7th contains only 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 and Physics Theme Crossword Puzzle for February 7th, 2021 - RF Cafe

1. Dual Tone Multi-Frequency

4. Scheme to maintain proper frequency (abbr.)

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

10. Cause a circuit breaker to open

14. Automatic network analyzer (abbr.)

15. Reserves memory for

16. Electronics Industry Association (abbr.)

17. Co-channel rejection ratio (abbr.)

19. Software drafting tool (abbr.)

20. Software engineering tool (abbr.)

21. ___ Friedrich Gauss, after whom the unit of magnetic field strength is named

22. Mathematical basis for calculating noise power for a given bandwidth and temperature (abbr.)

24. Unit of magnetic flux

26. Amplifier linearity specification (abbr.)

28. Miniature threaded RF connector

30. Software drafting tool (abbr.)

31. Unit of frequency

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

35. Printed Wiring Board (abbr.)

37. Crystal filter type (abbr.)

38. Ham's code for "Answer in prearranged order."

40. Glass device used for focussing light

42. Triangular joint filler added for strength (pl.)

45. The constellation in which Canopus is located

46. Threaded fastener

48. Ratio of a mechanical drawing

49. Computer messaging service

50. International phonetic alphabet letter "A"

51. Equivalent of Windows on Apple products

52. Bore a hole

54. Microprocessor vendor

56. Ties a bundle of wires together

59. Volt-ohmmeter (abbr., pl.)

60. Mates a plug to a jack

62. Technical drawing structure

63. Lowest power level capable of being demodulated (abbr.)

64. Compressed image file format

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

67. Type of computer display (abbr.)

68. MS's server-side script engine for dynamically-generated web pages (abbr.)

69. Unit of energy

71. Type of distribution, squared

74. SIP x 2

75. Send junk e-mail

77. Current-voltage phase mnemonic

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

82. Type of digital filter (abbr.)

83. Personal Handy Phone System (abbr.)

85. European Telecommunications Standards Institute (abbr.)

87. Optical cross-connect (abbr.)

88. Condition where liquid flow is impeded by vapor trapped in a liquid line

89. Electronic component package type (abbr.)

90. Termination

91. Stock symbol for National Semiconductor

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

93. Mr. Blattenberger, webmaster of RF Cafe

1. Type of data conversion device (abbr., pl.)

2. RF connector type

3. Space or ____, in digital transmission

4. Circuit for maintaining constant voltage (abbr.)

5. Imperfection in a crystal lattice

6. Coder/decoder (abbr.)

7. Tied a bundle of wires together

8. Network configuration type

9. U.K. equivalent of the IEEE

11. A disk operation

12. Type of digital filter (abbr.)

13. Programmable logic device type (abbr., pl.)

18. A common RS-232 serial bus command (abbr.)

21. Units of 1000 CPS

23. Graphics file extension

25. Strong, lightweight wood

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

27. Electrical terminal, normally left unconnected at one end

29. Conductor size unit (abbr.)

31. One state of matter

32. Circuit or mechanical designer with a Bachelor's or higher degree (pl.)

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

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

36. Next best thing to a bearing

37. A type of jet fighter

38. Ham's code for "What is the name of your station?"

39. Online service

41. Creates an impenetrable physical barrier

43. Electronically images a document

44. Traditional term for a person who enjoys helping newcomers get started in ham radio - a mentor

45. Radio Amateur Satellite Corporation (abbr.)

47. Wireless local loop (abbr.)

49. End of Life (abbr.)

52. Digital voltmeter (abbr.)

53. International Microwave Symposium (abbr.)

55. Trans European Trunked RAdio

57. Error checking scheme (abbr.)

58. Adjust a pot

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

61. System On Chip

64. Java server pages (abbr.)

66. Greek letter often used to represent an angle

68. Powers pneumatic devices

69. Type of reconfigurable memory (abbr.)

70. Generalized Multiprotocol Label Switching (abbr.)

72. Current-voltage phase mnemonic

73. Cause the temperature to drop

74. 10E1 numerical prefix

75. Halves of DIP's

76. The "S" in CES, the world's largest yearly convention of gadget and device manufacturers

78. European Telecommunications Standards Institute (abbr.)

79. This calculus operation yields voltage across a capacitor

81. Variable crystal oscillator (abbr.)

82. Cooling device

84. Special diode type that can be switched (abbr.)

86. Specialized mobile radio (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
















Engineering and Physics Theme Crossword Puzzle Solution for February 7th, 2021 - RF Cafe

PCB Directory (Manufacturers)
Axiom Test Equipment - RF Cafe

Innovative Power Products Passive RF Products - RF Cafe

Innovative Power Products Passive RF Products - RF Cafe