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Electronics Theme Crossword Puzzle
July 30th, 2022

This week's crossword puzzle for September 3rd sports an electronics theme. This being the 3rd day of the month, many of the words begin and/or end and/or contain with the letter "C." Clues for words containing "C" are marked with an asterisk (*). 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, Hedy Lamarr, 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

Electronics Theme Crossword Puzzle for September 3rd, 2023 - RF Cafe

<Click for larger version>


1. Certificate of Successful Completion of Examination (abbr.) *
2. Filter type that blocks upper frequencies (abbr.)
3. Basic element
5. Lubricant
6. 10E1 numerical prefix
7. Physical unit used in the measurement of radioactivity was named after a winner of the Nobel Prize in both Physics and Chemistry *
8. Mate to a socket
9. Cellular Digital Packet Data *
11. Last stage in a transmitter (abbr.)
12. Error checking scheme (abbr.) *
14. 1/1000000 prefix *
15. Chemical symbol for einsteinium
16. Unit of inductance (abbr.)
17. Material used in the center of an inductor coil *
18. Shuttle Amateur Radio EXperiment
20. Inductor *
21. Filter type that blocks lower frequencies (abbr.)
23. Cellphone band just below PCS *
26. Color code for the number 8
27. Heavenly body having a tail *
29. Microwave Theory and Techniques Society (abbr.)
31. Termination
33. Mate to a bolt
35. Computer monitor (abbr., pl.) *
36. Army-Navy specification prefix
37. Ability to store a charge (pl.) *
38. Vector multiplication that returns a vector value (2 wds.) *
39. First magnitude star in Auriga *
42. Family of ICs with a certain component density level (abbr.)
45. What two data packets might have experienced on a network *
46. An ion or salt of carbonic acid, containing carbon and oxygen such as calcium carbonate *
47. System for guiding aircraft (abbr.) *
49. Type of e-mail address system (abbr.)
52. CDMA Development Group (abbr.) *
54. Term indicating profitability of a company (abbr.)
57. 30 GHz to 300 GHz
60. Used a printer
61. Gun safety and education organization (abbr.)
65. Miniature threaded RF connector
68. Singulated piece of IC wafer
71. Stock symbol for Harris Communications
73. Electromotive force (abbr.)
76. Unit of resistance
77. Raise a number to the 3rd power *
78. Studies for a test just before taking it *
79. International Amateur Radio Union (abbr.)
81. Adds two or more inputs
82. Early computer display screen resolution (abbr.) *
83. Citizens Broadband Radio Service (abbr.) *
85. Chemical symbol for cobalt *
86. Type of high-tech data gathering system (abbr.)
88. Not hot *
89. Make a small adjustments to a system
90. Curly-Q type light bulb (abbr.) *
91. Logic family *
96. Chemical symbol for radon
97. Regarding light *
99. Vertical Metal Oxide Semiconductor
101. Conductor size unit (abbr.)
102. Common shorthand reference for a capacitor (pl.) *
105. Type of current flow (abbr.) *
106. Unit of inductance (abbr.)
107. Wireless phone region *
109. CB slang for CB radio or antenna
110. 1,000 seconds (abbr.)
112. Metric system (abbr.) *
114. Greek letter (micro)
115. Unit of length (abbr.)


1. Devices on an axle used to hold a wheel in place *
4. Coder/decoder (abbr.) *
8. Unit of time (abbr.)
10. State where techno-sleuthing teenagers Carl and Jerry lived (abbr.)
11. Type of programmable device (abbr.) *
13. RF & DC power supply manufacturer located in Gloucester, MA *
16. Chemical symbol for francium
17. Filter type with high rate of out-of-band attenuation (aka "elliptic") (pl.) *
19. Unit of processor calculation speed, abbr.
20. Type of distribution, squared *
21. Chemical symbol for holmium
22. Software drafting tool (abbr.) *
24. Chemical symbol for cadmium *
25. Chemical symbol for nobelium
26. General Packet Radio Service
28. An abbreviation for "receiver" *
30. Network department (abbr.)
31. Chemical symbol for lawrencium
32. Solid of rotation whose sides are the hypotenuse of a right triangle (pl.) *
34. Number system which uses only the digits 0 to 7
38. Concentric cable type *
40. Multiplexer (abbr.)
41. Stock symbol for Raytheon
42. Chemical symbol for lanthanum
43. Straight line emanating from a point source
44. Crystal face *
46. A common RS-232 serial bus command (abbr.) *
47. MS's server-side script engine for dynamically-generated web pages (abbr.)
48. Opposite of I.D.
50. Short for potentiometer
51. Chemical symbol for arsenic
52. Cellular Telecommunications Industry Association *
53. Popular graphics program *
55. Type of data conversion device (abbr.) *
56. Chemical symbol for selenium
58. Query an input for changes
59. Filter type that blocks frequencies below and above a specified band (abbr.)
61. Chemical symbol for nickel
62. It can follow an MS
63. Voltage-current phase mnemonic
64. Type of logic gate (pl.)
66. Period between radar transmitter's output waveform (abbr.)
67. Part of this website's title
69. Chemical symbol for arsenic
70. Battery cell chemistry type (abbr.)
72. A common battery cell size
73. Electronics Industry Association (abbr.)
74. Association of North American Radio Clubs *
75. Weatherproof cover for a radar antenna
77. Chemical symbol for cobalt *
78. Logic gate output configuration (abbr.) *
79. Multifunctional silicon devices (abbr.) *
80. 300 MHz to 3 GHz
81. Hub of the solar system
82. Slow flow of metal when under high temperature or great pressure *
83. Software engineering tool (abbr.) *
84. Centimeter (abbr.) *
85. Mr. Piper's famous yellow airplane *
86. Enhanced Graphics Adapter
87. Citizens Broadband Radio Service (abbr.) *
88. Haley had one named after him *
90. Voltage limiter *
92. Chemical symbol for ruthenium
93. Galilean moon
94. Refers to the IEEE802.11 networks (abbr.)
95. General Mobile Radio Service (abbr.)
98. 30 kHz to 300 kHz
99. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr.)
100. Low Noise Amplifier (abbr.)
103. Switch position
104. Attenuator
106. Million multiply accumulate operations (abbr.) *
108. Makes a small adjustments to a system
111. Coefficient of temperature (abbr.) *
112. Inductor used to block RF signals (pl.) *
113. Key feature in a high level overvoltage protection device (pl.)
114. Chemical symbol for magnesium
116. Type of flip-flop
117. Precipitate *
118. Limits voltage (pl.) *

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.

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 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

Electronics Themed Crossword Puzzle Solution for September 3rd, 2023 - RF Cafe

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Kirt Blattenberger - RF Cafe Webmaster

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    Kirt Blattenberger,


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...

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