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Electronics Theme Crossword Puzzle
February 12, 2023

This custom RF Cafe electronics-themed crossword puzzle for February 12th contains words and clues which pertain strictly to the subjects of electronics, mechanics, power distribution, engineering, science, physics, astronomy, chemistry, etc. 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. You might, however, encounter the name of a movie star like Hedy Lamarr or a geographical location like Tunguska, Russia, for reasons which, if you don't already know, might surprise you.  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 Themed Crossword Puzzle for February 12, 2023 - RF Cafe

1. "The father of rocketry"
9. What you can get from a high voltage line
13. Type of digital filter (abbr.)
14. Device for separating AC from DC
18. Nearest and furthest points to the center of gravitational attraction for a body in orbit (pl.)
19. Chemical symbol for radium
20. Radio signals from the cosmos (abbr.)
21. Metal mixture
24. Kilovolts (abbr.)
26. Useful distance between Tx and Rx
28. Front edge of a wing (abbr.)
29. One bit at a time
30. Integrate data onto a carrier wave
31. Type of logic gate
33. Small representative graphic
34. Equipment
35. Chemical symbol for beryllium
36. A Ham station that operates from several grid squares or counties during a contest
37. Switch position
38. Chemical symbol for antimony
39. International phonetic alphabet letter "O"
40. Analog-to-Digital (abbr.)
42. ____ Logic: Name give to devices surrounding and assisting processors
43. The "C" in CDMA
45. Unit of magnetic flux(abbr.)
46. Recover the modulation from the RF signal
48. Number system of 1's and 0's
50. Electromagnetic (abbr.)
51. Basic PN junction component
52. ________ _____ - Degrees of separation between two lines meeting at a common vertex (2 wds., abbr.)
53. Swiss mathematician who extensively studied complex numbers
55. Chemical symbol for tin
56. Modulation type (abbr.)
57. Unwanted 60- or 120- Hz modulation due to poor power supply filtering (2 wds.)
60. Uses software for circuit or system design
64. Telex-Over-Radio (abbr.)
65. Cause EM signals to disperse randomly
66. Panel of control switches, knobs, and meters
2. Output intercept point (abbr.)
3. Plane circular area (pl.)
4. Antenna structure that connects directly to the feed line (2 wds.)
5. One component of a complex number (abbr.)
6. Test equipment (abbr.)
7. Elementary particles
8. Chemical symbol for iron
10. 3 MHz to 30 MHz
11. The ten administrative areas established by the FCC for Amateur Radio (2 wds., pl.)
12. Engineering Change Order (abbr.)
14. High current gain transistor configuration (pl.)
15. Silicon carbide
16. He invented the triode vacuum tube
17. Voltage potential to turn off a diode (2 wds.)
18. Self-determine the scale on a DMM
22. Mr. de Forest's first name
23. Its chemical symbol is Yb
25. Singulated piece of IC wafer
27. Digital pattern coding type (abbr.)
32. Unit of length equal to 5.5 yards
35. Bulk Acoustic Wave
41. One of the Ws in WWW
44. Ham's code for "The net has traffic for you. Stand by."
46. Keyboard key
47. Queries an input for changes
49. A major search engine
54. Coordinated Universal Time (abbr.)
58. Internet address (abbr.)
59. Electronics manufacturer with "meatball" logo
61. Network department (abbr.)
62. 1.602E-19 Joules
63. Part of a FOR loop

See solution below
2023 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.

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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 31

December 24

December 17

December 10

December 3

November 26

November 19

November 12

November 5

R-E Puzzler - August 1967 R-E

October 29

October 22

October 15

October 8

October 1

September 24

September 17

September 10

September 3


August 27

August 20

August 13

August 6

Electronic Numbers - May 1961 R-E

July 30

July 23

July 16

July 9

R-E Puzzler - Oct 1967 R-E

July 2

June 25

June 18

June 11

June 4

May 28

May 21

May 14

May 7


April 30

April 23

April 16

April 9 - Easter

R-E Puzzler - Jan 1967 R-E

April 2

March 26

March 19

March 12

March 5

February 26

February 19

February 12

February 5

January 29

January 22

January 15

January 8

January 1














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