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 Engineer Jobs LinkedIn Crosswords Engineering Humor Kirt's Cogitations RF Engineering Quizzes Notable Quotes Calculators Education Engineering Magazine Articles Engineering software RF Cafe Archives Advertising 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 Berkeley Nucleonics Conduct RF Copper Mountain Technologies everything RF Exodus Advanced Communications Innovative Power Products KR Filters LadyBug Technologies Lotus Systems PCB Directory Rigol Temwell RF Components TotalTemp Technologies Werbel Microwave Windfreak Technologies Wireless Telecom Group Withwave Sponsorship Rates RF Cafe Software Resources Vintage Magazines RF Cafe Software RF Cafe Sponsor Links WhoIs entry for RF Cafe.com Thank you for visiting RF Cafe!
Innovative Power Products Passive RF Products - RF Cafe

Windfreak Technologies Frequency Synthesizers - RF Cafe

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

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  (shareware)

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

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

Amplifier Solutions Corporation (ASC) - RF Cafe

Radio Theme Crossword Puzzle
October 17, 2021

This Radio Theme Crossword Puzzle for October 17th 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

Radio Theme Crossword Puzzle for October 17, 2021 - RF Cafe

ACROSS DOWN

1. Linear operation area of transistor curve (2 wds.)

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

9. The cell band above DCN

11. Large loudspeaker designed primarily to reproduce low frequency audio signals (pl.)

15. Ham's code for "Station is leaving the net."

17. One port of an amplifier

19. Type of spread spectrum that does not use frequency hopping (abbr.)

20. A coherent monochrome light source

22. Type of flip-flop

23. Chemical symbol for scandium

24. Rotating disk

26. Intermodulation distortion (abbr.)

28. Graphics workshop software

30. Chemical symbol for scandium

31. Chemical symbol for ruthenium

32. A common battery cell size

33. Chemical symbol for terbium

35. Chemical symbol for thulium

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

38. Prefix meaning "to squeeze"

40. Singulated piece of IC wafer

42. Continuous Tone Coded Squelch System (abbr.)

44. Part of this website's title

46. Type of logic gate

47. Number system which uses only the digits 0 to 7

49. Nearest and furthest points to the center of gravitational attraction for a body in orbit

51. Coefficient of temperature (abbr.)

52. "Texting" (abbr.)

53. Comic strip engineer

55. Polish a crystal to an exact frequency

57. Unit of inductance (abbr.)

58. Most distant point one can transmit / receive as limited by the curvature of the Earth (2 wds.)

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

3. Apple's popular media playing device (pl.)

4. World's first satellite navigation system (abbr.)

5. Multifunctional silicon devices (abbr.)

6. Switch position

7. Inventor of an oscillator type named after him that incorporates a crystal (2 wds.)

10. Location in large installations where network cables, routers, network switches, punch panels, etc. are located for security and ease of maintenance (2 wds.)

12. International phonetic alphabet letter "O"

13. Start frequency (abbr.)

14. Chemical symbol for einsteinium

15. Amateur radio operators trade this with each other after making contact (2 wds.)

16. Chemical symbol for neon

18. Stock symbol for National Semiconductor

20. Front edge of a wing (abbr.)

21. Active Electronically Scanned Array (abbr.)

24. Unit of magnetic flux(abbr.)

25. Frequency unit

27. Recovers the modulation from the RF signal

29. Does a total memory transfer

34. Electron beam particle

36. He developed an alphabet composed of dots and dashes

39. Network department (abbr.)

41. Newest buzz phrase for ubiquitous remote control and monitoring of everything (abbr.)

43. Chemical symbol for chlorine

45. Enrico _____, nuclear physicist

48. Centimeter (abbr.)

49. Chemical symbol for aluminum

50. Chemical symbol for lead

53. Printer resolution abbreviation

54. Unit of frequency

55. Chemical symbol for lanthanum

56. Analog-to-Digital (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.

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

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Radio Theme Crossword Solution for October 17, 2021 - RF Cafe

DC-70 GHz RF Cables - RF Cafe

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:

AirplanesAndRockets.com

RF Cascade Workbook 2018 by RF Cafe

KR Electronics (RF Filters) - RF Cafe

Innovative Power Products Passive RF Products - RF Cafe