RF Themed Crossword Puzzle
October 2nd, 2022

Here is your custom made RF-themed crossword puzzle for October 2nd, 2022. There are at least 16 instances of this puzzle's theme included. All RF Cafe crossword puzzles are custom made by me, Kirt Blattenberger, and have only 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

RF Theme Crossword Puzzle for October 2nd, 2022 - RF Cafe

1. Fundamental electrical component w/units of ohms
6. This puzzle's theme
9. Manufacturer of project boxes
11. Pure carrier (abbr.)
12. Design for Manufacturability (abbr.)
13. Chemical symbol for arsenic
16. Microwaves & __ magazine
18. Computer messaging service (pl.)
19. Radio Amateurs of Canada (abbr.)
22. Radio frequency (abbr.)
23. One component of a complex number (abbr.)
24. Stock symbol for RF Micro Devices
25. Uncharged atomic particle
28. Curly-Q type light bulb (abbr.)
30. __IC, a company which manufactures ICs for wireless devices
31. The cell band above DCN
32. Half of the diameter (pl.)
33. Constellation : The scales
35. One type of electron spin
36. Low altitude earth orbit
37. Heatsink feature
38. Type of flip-flop
41. ampere-hour (abbr.)
42. Special diode type that can be switched (abbr.)
45. Stock symbol for Conexant
48. Decimeter (abbr.)
49. The UK's equivalent of the FCC
50. Third planet from the sun
51. Computer communication scheme (abbr.)
52. Kirt Blattenberger is the webmaster of the __ Cafe website
53. Amateur Radio Association (abbr.)
55. Between Mars and Saturn
58. Citizens Broadband Radio Service (abbr.)
60. Chemical symbol for californium
61. I'm running out of clues for this crossword puzzle's theme!
63. 30 Hz to 300 Hz
64. Code used for automating software task
65. Chemical symbol for europium
68. Chemical symbol for selenium
69. Facility where semiconductors are manufactured
72. Chemical symbol for lawrencium
74. End of soldering iron
75. Yay! This is the final clue for this puzzle's theme.
76. Type of high frequency semiconductor (2 abbrs., pl.)

1. Computer monitor cable type (abbr.)
2. Multifunctional silicon devices (abbr.)
3. Measure of source / load mismatch (abbr.)
4. Opposite of I.D.
5. Part of this website's title
7. 10E-15 numerical prefix
8. Set of poles
10. Goes through the process of planned creation
14. Below ELF
15. Greek letter used for wavelength
17. Cooling device
19. __ engineering is what many website visitors do for a living
20. Chemical symbol for cadmium
21. Maximum Usable Frequency
23. __ Design magazine
26. The "E" in BER
27. RF integrated circuit (abbr.)
28. Cyanide (abbr.)
29. A common semiconductor substrate
31. Displayed a radar target
32. A radio designer works in this spectrum realm
34. Part of the electromagnetic spectrum where cellphones, radios, televisions, etc., operate
35. Internet address (abbr.)
39. Unit of resistance
40. Cutting instrument
41. Orthogonal
43. __ Cafe, the world's most informative website for electrical engineers and hobbyists
44. Open-______ or closed-______ system
46. Frequency band at high end of audio spectrum
47. Unit of inductance (abbr.)
51. Chemical symbol for lanthanum
52. Stock symbol for Raytheon
54. If you design radios, radar, etc., you are an RF engineer
56. One cutoff frequency specification for a bandpass filter
57. Term indicating profitability of a company (abbr.)
58. European equivalent to the U.L.
59. The initials of the star of the "Sanford & Son" TV show are __
61. Effective frontal area presented to a microwave interrogation system (abbr.)
62. Release control over
66. FCC's Universal Licensing System (abbr.)
67. Service of the ARRL that helps hams solve technical problems (abbr.)
70. Chemical symbol for silver
71. Stock symbol for Boeing
73. 1st letter: An appliance for tuning in AM and FM. 2nd letter: The reciprocal of time periodicity

See solution below

2022 Crosswords Archive

Take 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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Cruciverbalist:

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.