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Electronics Theme Crossword Puzzle
September 17th, 2023

This custom RF Cafe electronics-themed crossword puzzle for September 17th 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 September 17th, 2023 - RF Cafe

1. Describes a software subroutine that repeats itself (past tense)
5. Type of current flow (abbr.)
7. Chemical symbol for terbium
9. Potentiometer manufacturer in Riverside, CA
13. Low- to mid- frequency RF connector
14. Table type used in software for storing selectable values
15. Multifunctional silicon devices (abbr., pl.)
16. 2-way conversation, Ham term
19. Ham's code for "The net has traffic for you. Stand by."
21. Chemical symbol for praseodymium
22. Mate to a socket
23. 10E1 numerical prefix
26. Father of radio
29. Exhibiting a sudden, short-lived increase in voltage or current
32. Decimeter (abbr.)
34. Half of DSB
35. Reserves for
36. Intel 8086 or Motorola 6800 (abbr.)
37. Chemical symbol for iron
40. Ham abbreviation for "distant station"
42. One component of a voltage or current vector (2 wds.)
46. Shorthand for oxygen
47. Isolator or circulator ferrous component
48. Read-only (abbr.)
49. Pure carrier (abbr.)
50. Network department (abbr.)
51. Code for a type of electrical wire insulation
52. Local Oscillator (abbr.)
53. Having three straight sides and three internal angles
56. Greek letter (micro)
59. Filter type that blocks frequencies in a specified band (abbr.)
60. 36 in. (abbr., pl.)
63. Form/fit/function replacement
65. The UK's largest defense electronics contractor (abbr.)
67. Semiconductor and calculator company (abbr.)
69. Large radio telescope in Puerto Rico
71. French mathematician Siméon-Denis _______
73. One component of a complex number (abbr.)
74. 10E-9 numerical prefix
75. Ratio of circumference to diameter
76. Non-return to zero (abbr.)
79. Common gateway interface (abbr.)
80. International Microwave Symposium (abbr.)
82. Greek letter used for resistance (pl.)
84. Greek letter
86. Extended Binary-Coded Decimal Interchange Code (abbr.)
87. Chemical symbol for dysprosium
88. One component of a complex number (abbr.)
89. An electronic device that requires power to operate
1. One state of matter
2. Chemical symbol for lead
3. Last statement in a BASIC program
4. Type of current
5. Chemical symbol for aluminum
6. Turns written computer code into executable code
7. Its chemical symbol is W
8. Filter type that blocks frequencies below and above a specified band (abbr.)
9. Chemical symbol for bismuth
10. Ovenized crystal oscillator (abbr.)
11. Unit of time (abbr.)
12. Plane geometrical figure having four equal straight sides and four equal angles
17. Ham's code for "Shall I increase power?"
18. Technique that uses propagation delay of reflected waves as the information source for cable characterization (abbr.)
20. One port on a BJT
21. Substrate for mounting components (abbr.)
24. Feedback system used to maintain constant signal level (abbr.)
25. Balun with both ports unbalanced
27. Type of flip-flop
28. 1e-6 mA
30. Unit of time (abbr.)
31. Internet protocol (abbr.)
33. This mathematical term is another name for the absolute value of a number
37. A Ham contest to locate a hidden transmitter (2 wds.)
38. Circuit path with very low or 0 ohms of impedance
39. Consequence of under sampling
41. Crystal oscillator (abbr.)
42. Period between radar transmitter's output waveform (abbr.)
43. Engineering Change Notice (abbr.)
44. Conductor size unit (abbr.)
45. Resistive component of a capacitor's lumped element model (abbr.)
46. Unit of resistance
54. Study of a planets upper atmosphere
55. Having a single polarity
57. Spinning device used to generate a fixed spatial reference
58. Low altitude earth orbit
59. Reflections of a radio wave off of an object
61. Morse Code for "from"
62. Special diode type that can be switched (abbr.)
63. Logarithmic ratio (abbr.)
64. Chemical symbol for nobelium
65. Broadband Signal Intrusion (abbr.)
66. Chemical symbol for arsenic
68. Add or remove charged particles such as electrons from an atom or molecule
70. U.K. equivalent of the IEEE
72. Innovative Power Products, Holbrook, NY (abbr.)
77. Electromagnetic interference (abbr.)
78. File name extension for an ASCII file
80. Opposite of O.D.
81. Chemical symbol for scandium
82. Opposite of I.D.
83. Chemical symbol for selenium
84. Last stage in a transmitter (abbr.)
85. Network department (abbr.)

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 Theme Crossword Puzzle Solution for September 17th, 2023 - RF Cafe

Amplifier Solutions Corporation (ASC) - 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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