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Electronics Theme Crossword Puzzle
April 2nd, 2023

This custom RF Cafe electronics-themed crossword puzzle for April 2nd 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. 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 April 2, 2023 - RF Cafe

1. Radio receiver scheme which mixes a second frequency (LO) with the incoming radio signals
12. Ratio of circumference to diameter
13. That which causes a change in the motion of a body
14. Chemical symbol for arsenic
16. Chemical symbol for neon
18. Engineering Change Order (abbr.)
21. Unit of weight
22. Bulk Acoustic Wave
24. Chemical symbol for gold
25. Opposite of USB
27. Computer monitor resolution measure (abbr.)
28. Enrico _____, nuclear physicist
30. Automaton
31. Causes a voltage or current waveform to gradually die out
34. Unit of frequency (archaic, abbr.)
35. Logic family
37. Digital transmission figure of merit (abbr.)
38. Type of current flow (abbr.)
39. Send Morse Code
41. IC killer (abbr.)
42. Its chemical symbol is Fe
44. The "D" in CD (pl.)
47. Color code for "9"
49. Local Oscillator (abbr.)
50. File name extension for an ASCII file
53. Code for a type of electrical wire insulation (abbr.)
54. Low Noise Amplifier (abbr.)
56. Chemical symbol for niobium
57. Internet address (abbr.)
59. Radio frequency interference (abbr.)
60. Remove insulation from a wire
62. Molecular building blocks
63. ICs
66. ________ _____ - Degrees of separation between two lines meeting at a common vertex (2 wds., abbr.)
67. World's largest yearly convention of gadget and device manufacturers (abbr.)
69. Key feature in a high level overvoltage protection device
70. Switch position
71. Government program to bring electricity to farms (abbr.)
73. Frequency Division Duplex
74. Plane circular area
76. Frequency (pl.)
79. Type of transistor (abbr.)
81. Unit of frequency (archaic, abbr.)
82. Akin to EEs, CEs, AEs, etc. (abbr., pl.)
83. Metric system (abbr.)
84. A type of digital modulation (abbr.)
85. Chemical symbol for radium
2. One type of electron spin
3. Type of chart
4. 3 MHz to 30 MHz
5. End of transmission (abbr.)
6. Systematic approach to locating the cause of a fault in an electronic circuit or system
7. Engineering Change Notice (abbr.)
8. One component of a complex number (abbr.)
9. Rotate about the vertical axis
10. Unit of time (abbr.)
11. Army-Navy specification prefix
15. Chemical symbol for plutonium
17. Describes stationary charges
19. Do it with a mouse
20. Unix, Linux or Windows (abbr.)
22. Filter type that blocks frequencies below and above a specified band (abbr.)
23. Part of CAD
24. Rms current times rms voltage (2 wds.)
26. Filter type that blocks frequencies in a specified band (abbr.)
27. Chemical symbol for platinum
28. Type of modulation (abbr.)
29. 1/000 of an amp (abbr.)
32. Chemical symbol for argon
33. Chemical symbol for scandium
36. Test equipment (abbr.)
37. Filter type that blocks frequencies in a specified band (abbr.)
40. Yard (abbr.)
41. Chemical symbol for einsteinium
42. S12 or S21 (abbr.)
43. 1e-6 mA
45. Network department (abbr.)
46. Pure carrier (abbr.)
47. Chemical symbol for gallium
48. Chemical symbol for ytterbium
51. _____ conductor
52. Chemical symbol for chromium
54. 30 kHz to 300 kHz
55. Rechargeable battery type (abbr.)
58. Chemical symbol for lanthanum
59. Type of flip-flop
60. Chemical symbol for silicon
61. Multifunctional silicon devices (abbr.)
64. Filter type that blocks lower frequencies (abbr.)
65. Chemical symbol for tin
68. Chemical symbol for selenium
69. Chemical symbol for gadolinium
72. PC follower
73. Start frequency (abbr.)
74. Decimeter (abbr.)
75. Unit of length (abbr.)
77. Amateur radio abbreviation for the Oceania region (abbr.)
78. Chemical symbol for einsteinium
79. Type of flip flop
80. Chemical symbol for tantalum

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.

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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