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Electronics Theme Crossword Puzzle
May 7th, 2023

This custom RF Cafe electronics-themed crossword puzzle for May 7th contains words and clues which pertain exclusively to the subjects of electronics, science, physics, mechanics, engineering, power distribution, astronomy, chemistry, etc. If you do see names of people or places, they are intimately related to the aforementioned areas of study. Being that "G" is the 7th letter of the alphabet, it is used as the first and/or last letter of many words in today's crossword puzzle. As always, you will find no references to numbnut movie stars or fashion designers. Need more crossword RF Cafe puzzles? A list at the bottom of the page links to hundreds of them dating back to the year 2000. 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 May 7, 2023 - RF Cafe

1. Protection device for preventing electrical shock (abbr.)
4. Aerodynamic opposition to thrust
7. The Wright Flyer had an upper one and a lower one
10. Yttrium Aluminum Garnet
13. High frequency semiconductor (abbr.)
14. ________ _____ - Degrees of separation between two lines meeting at a common vertex (2 wds., abbr.)
15. A common battery cell size
16. Aerodynamic opposition to thrust
18. Centimeter (abbr.)
19. The cell band above DCN
21. Unit of current
22. Chemical symbol for selenium
23. Exponent that returns the original number
25. Unit of energy
27. Key feature in a high level overvoltage protection device
29. Conductor size unit (abbr.)
30. Maximally flat group delay filter function
32. Network controller
35. 1/2 of a byte
38. FCC's Universal Licensing System (abbr.)
40. A line on a map which joins points of equal pressure
43. 2/3 of a triac
44. Device for converting electrical signals into sound
48. 10E-1 numerical prefix
49. Chemical symbol for strontium
50. Time Division Multiple Access
52. Divide a signal into into chunks for sampling
55. Chemical symbol for tin
56. Part of a gyroscope that facilitates free movement of the reference sphere (pl.)
59. Configuring a switch to make electrical contact
62. National Television System Committee (abbr.)
63. Electromagnetic (abbr.)
64. Opposite of a LO
65. Increase voltage linearly
66. Type of transistor (abbr., pl.)
70. Apple's popular cellular communications device (pl.)
74. Electronics manufacturer with "meatball" logo
76. Bit error rate tester (abbr.)
78. Hub of the solar system (pl.)
79. Chemical symbol for silver
81. Receiver power level circuitry (abbr.)
84. Point in an revolving object's orbit that is closest to the body it is orbiting
87. Geometric entity with only length
89. Creating a corona
92. Automatic network analyzer (abbr.)
93. European space probe which visited Halley's comet
95. A digital counter input line to establish an initial value
98. A listing of the conditions of the Earth’s magnetic field as measured at Boulder, CO
101. Newest buzz phrase for ubiquitous remote control and monitoring of everything (abbr.)
103. Using Earth's natural satellite as a passive reflector to establish a signal path (abbr.)
104. Miniature threaded RF connector
105. Mr. de Forest's first name
106. Electromagnetic (abbr.)
108. Low- to mid- frequency RF connector
109. The system than converts common website names to IP addresses (abbr.)
111. Chemical symbol for dysprosium
112. 36 inches
114. Unit of time (abbr.)
117. Morse Code for "from"
118. Branch of the armed forces
120. One state of matter
121. Equipment
122. Sudden, brief increase in wind speed
123. Yttrium Aluminum Garnet
1. Chemical symbol for gallium
2. Crystal surface
3. FCC Part 15 rules apply in this band (abbr.)
4. SIP x 2
5. Radio Amateur Civil Emergency Service (abbr.)
6. Chemical symbol for gadolinium
7. Write-Once (abbr.)
8. Narrowband Advanced Mobile Phone System (abbr.)
9. Key feature in a high level overvoltage protection device
10. 36 in. (abbr., pl.)
11. Length times width
12. Chemical symbol for gallium
13. Common zero voltage reference point (pl.)
17. First man to orbit the earth - Yuri _______
20. The design component of total product cost (abbr.)
21. A common battery cell size
24. Keyboard key
26. ____ Logic: Name give to devices surrounding and assisting processors
27. Gaussian Minimum Shift Keying
28. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr., pl.)
30. Largest broadcaster in the UK (abbr.)
31. Chemical symbol for selenium
33. Semiconductor and calculator company (abbr.)
34. Unit of length equal to 5.5 yards
36. Type of digital filter (abbr.)
37. Stock symbol for Boeing
39. Be behind in phase
41. Chemical symbol for beryllium
42. Automatic Calibration System (abbr.)
44. Miniature threaded RF connector
45. Color set
46. Occlusion of one heavenly body by another
47. Greek letter
50. Chemical symbol for thulium
51. Logarithmic ratio (abbr.)
53. Unix, Linux or Windows (abbr.)
54. Ratio of circumference to diameter
56. Global System for Mobile Communications (abbr.)
57. Current-voltage phase mnemonic
58. "Texting" (abbr.)
59. Type of distribution, squared
60. The design component of total product cost (abbr.)
61. One state of matter
67. Chemical symbol for antimony
68. Chemical symbol for iron
69. Effective Radiated Power (abbr.)
71. Color quality
72. Switch position
73. Unit of time (abbr.)
74. The force which keeps heavenly bodies in their orbits
75. Resistive component of a capacitor's lumped element model (abbr.)
77. Chemical element abbreviated Sn
79. Antenna (abbr.)
80. Which branch of mathematics deals with the shape and area of the earth
82. Chemical symbol for scandium
83. Input intercept point (abbr.)
85. The "R" in BER
86. High frequency semiconductor (abbr.)
87. Shorthand for liquid oxygen
88. Network department (abbr.)
90. Non-return to zero (abbr.)
91. Electronics manufacturer with "meatball" logo
93. Chemical symbol for gadolinium
94. U.K. equivalent of the IEEE
96. One of four lines used in ferrite core memories
97. Science of assuring operation amid dense EM background noise (abbr.)
99. Intermodulation distortion (abbr.)
100. Logic gates
102. Prefix meaning ground or earth
105. Constellation : The lyre
107. Lowest power level capable of being demodulated (abbr.)
108. A semi-automatic mechanical code key
110. Adjust a pot
111. 24 hours
113. Chemical symbol for silver
115. Chemical symbol for chromium
116. Mass unit (abbr.)
119. Chemical symbol for magnesium

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.

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.

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November 26

November 19

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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 May 7, 2023 - RF Cafe

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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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