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Electronics Theme Crossword Puzzle
June 4th, 2022

This week's crossword puzzle for June 4th sports an electronics theme. This being the fourth day of the month, many of the words begin and/or end with the letter "D." Besides that, we're only two days away from "D-Day." 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 June 4th, 2023 - RF Cafe


1. Filter with more than one frequency band going from separate ports to a common port (pl.)
8. Chemical symbol for neptunium
9. Chemical symbol for tantalum
11. Imaging device (abbr.)
12. Sound-pressure level derived using A-weighting
14. Carrier-to-noise ratio (abbr.)
15. Electromagnetic (abbr.)
16. Type of secondary radar system (abbr.)
18. Chemical symbol for erbium
19. When the upper atmosphere acts like a waveguide
22. The "D" in CD
24. Chemical symbol for cesium
25. A major search engine
26. Digital storage oscilloscope (abbr.)
30. Chemical symbol for manganese
31. The "A" in BAW
34. Decimeter (abbr.)
35. Digital pattern coding type (abbr.)
36. Notch type filter (abbr.)
37. Miniature threaded RF connector
39. Voltage-current phase mnemonic
40. Unit of volume (abbr.)
42. The system than converts common website names to IP addresses (abbr.)
44. 1/000 of an inch
45. System On Chip
47. Direct Memory Access (abbr.)
49. Programmable Logic Device (abbr.)
51. Facility where semiconductors are manufactured
53. Direct Memory Access (abbr.)
55. Chemical symbol for silicon
56. An unlicensed radio band in the U.S. often used for walkie-talkies (abbr.)
57. Official Space Shuttle designation (abbr.)
59. Keyboard key
60. Low Noise Amplifier (abbr.)
62. One component of a complex number (abbr.)
63. Introduces unintended amplitude changes
64. 1/000 of an amp (abbr.)
65. 3-phase transformer configuration
66. Constellation : The dragon
69. Filter type that blocks frequencies in a specified band (abbr.)
71. Move in a raster pattern
72. Specified system parameters
75. BS__ - the degree held by many RF Cafe visitors
76. Flash caused by an electric current ionizing a gas or vapor
77. Pure carrier (abbr.)
79. Decibels above or below a dipole antenna (abbr.)
81. Hit a component with an electrostatic discharge
82. A feedback scheme to level out the receiver audio volume (abbr.)
83. Intermodulation (abbr.)
85. 1.602E-19 Joules
86. Reduced in amplitude


2. Does not reach the steady-state voltage output
3. Min-to-max voltage of a waveform (abbr.)
4. Its chemical symbol is Er
5. Radio signals from the cosmos (abbr.)
6. Radio Amateurs of Canada (abbr.)
7. Schematic label for voltage supply node
10. Aerodynamic opposition to thrust
13. Scheme to maintain proper frequency (abbr.)
17. Unit of length (abbr.)
18. Electronics Industry Association (abbr.)
20. Small representative graphic
21. Unit of time (abbr.)
22. Physics of accelerated motion
23. Chemical symbol for cobalt
27. Miniature RF connector
28. Dual Tone Multi-Frequency
29. Coordinated Universal Time (abbr.)
32. 2 GHz to 4 GHz
33. Opposite of O.D.
34. Bores a hole
36. Target indication on a radar display
38. Chemical symbol for mendelevium
39. Electromagnetic (abbr.)
41. Engineer's blood plasma
43. Electronic component package type (abbr.)
46. Mr. Gauss' first name
48. Radio Amateur Satellite Corporation (abbr.)
50. Mathematical process that yields a quotient as its result
52. Filter type that blocks frequencies in a specified band (abbr.)
54. PC follower
58. Radio signal that propagates along the ground (2 wds.)
59. Aerodynamic opposition to thrust
60. Chemical symbol for lithium
61. Stock symbol for National Semiconductor
63. 24 hours
64. Microwaves & RF magazine (abbr.)
67. Type of flip-flop
68. Software engineering tool (abbr.)
69. Chemical symbol for beryllium
70. Factor of ten
72. This calculus operation yields current through an inductor
73. ________ _____ - Degrees of separation between two lines meeting at a common vertex (2 wds., abbr.)
74. Non-return to zero (abbr.)
78. Cellphone band just below PCS
80. Singulated piece of IC wafer
84. Unit of frequency (archaic, abbr.)
85. Chemical symbol for einsteinium

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

Electronics Themed Crossword Puzzle Solution for June 4th, 2023 - RF Cafe

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