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Electronics Theme Crossword Puzzle
January 7, 2024

This custom RF Cafe electronics-themed crossword puzzle for January 7th contains only clues and terms associated with engineering, science, physical, astronomy, mathematics, chemistry, etc., which I have built up over more than two decades. Being the 7th day, words containing the letter "G" are marked with an asterisk (*). Many new words and company names have been added that had not even been added to the world's technical lexicon when I started in the year 2002.

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. You might, however, encounter the name of a movie star like Hedy Lamarr or a geographical location like Tunguska, Russia, for reasons which, if you don't already know, might surprise you.  The technically inclined cruciverbalists amongst us will appreciate the effort. A full list of all RF Cafe crosswords is at the page bottom. 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 January 7, 2024 - RF Cafe

ACROSS DOWN
1. Inventor of an oscillator type named after him that incorporates a crystal (2 wds.) *
12. Attenuator (pl.)
13. Adjacent Channel Power Ratio (abbr.)
14. The "O" in ROM
16. Chemical symbol for silver *
18. Unit of capacitance (abbr.)
20. Chemical symbol for lithium
22. Greek letter
23. Electronics manufacturer with "meatball" logo *
24. Deutsche Industrie Normenausschuss
26. Length times width
29. High electron mobility transistor
31. Amateur Radio Association (abbr.)
32. A three-terminal power semiconductor device noted for high efficiency and fast switching (abbr.) *
34. Communication between stations by reflecting the radio waves off of the ionosphere
35. Low- to mid- frequency RF connector
36. Another name for a test lead
37. State where teen techno-slueths Carl and Jerry lived (abbr.)
38. Type of current
40. Station using an existing callsign and illegally operating on the air
43. Unlicensed FCC Part 95 realm for personal and business radio use (abbr.)
44. Unit of time (abbr.)
45. Chemical symbol for chromium
47. milliampere-hour (abbr.)
49. Chemical symbol for francium
50. Greek letter
52. Cyanide (abbr.)
53. Chemical symbol for ytterbium
54. Straight line emanating from a point source
55. Internet protocol (abbr.)
56. Powers pneumatic devices
57. Opposite of I.D.
58. Amateur radio abbreviation for the Oceania region (abbr.)
59. Type of logic gate
60. A trigonometry function that is the reciprocal of the cosine
63. BS__ - the degree held by many RF Cafe visitors
65. Weight (abbr.)
67. Type of programmable device (abbr.)
69. SIP x 2
70. Slang for transmitter and/or receiver *
72. Longitudinal shape-forming structural element
74. Temporary Engineering Change document (abbr.)
75. 10E1 numerical prefix
76. Boolean expression (pl.)
78. Television Interference (abbr.)
79. Network department (abbr.)
80. Armored cable type
81. Chemical symbol for bismuth
83. Chemical symbol for arsenic
85. Electromagnetic (abbr.)
86. Gasoline, diesel, etc.
88. Application Specific Integrated Circuit (abbr.)
90. Circuit for firing a radar magnetron (abbr., pl.)
91. Test equipment that causes a meter decrease (dip) when near resonant circuits (3 wds.) *
 1. Key feature in a high level overvoltage protection device *
2. Erbium Doped Fiber Amplifier (abbr.)
3. Unix, Linux or Windows (abbr.)
4. Chemical symbol for gallium *
5. High-speed logic family
6. Computer monitor resolution measure (abbr.)
7. Infrared (abbr.)
8. Read-only (abbr.)
9. Stock symbol for Conexant
10. Voltage-current phase mnemonic
11. Half of the diameter (pl.)
15. Part of a screw that engages the driver (pl.)
17. Gigahertz *
19. Branch of science which studies the 3rd planet from the sun *
21. Creating a signal for injection into a system *
23. Radio signal that propagates along the Earth's surface (2 wds.) *
25. Chemical symbol for niobium
27. Chemical symbol for rhodium
28. Software layer that allows a system to be programmed via a defined set of commands (abbr.)
29. Heterojunction Bipolar Transistor
30. Unit of frequency (archaic, abbr.)
31. Chemical symbol for argon
33. Time delay (abbr.)
36. Chemical symbol for lead
39. Common mode ripple rejection (abbr.)
41. RF integrated circuit (abbr.)
42. Advanced Research Projects Agency (abbr.)
43. Material used in the center of an inductor coil
46. Chemical symbol for rubidium
48. A common battery cell size
51. Opposite of a LO
52. Chemical symbol for cobalt
58. Regarding light
59. Amateur radio abbreviation for the Oceania region (abbr.)
61. Governmental agency that monitors pollution (abbr.)
62. Gun safety and education organization (abbr.)
64. Chemical symbol for einsteinium
66. Adjusts
68. Unit of volume (abbr.)
69. Morse Code for "from"
71. Chemical symbol for gadolinium *
73. Chemical symbol for platinum
75. One who DXs
77. Fail-____ switch
80. A semi-automatic mechanical code key *
81. Broadband Signal Intrusion (abbr.)
82. Input intercept point (abbr.)
84. Signal-to-noise ratio (abbr.)
87. Chemical symbol for lithium
88. Analog-to-Digital (abbr.)
89. Centimeter (abbr.)
90. Chemical symbol for platinum 

See solution below
2024 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.

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Cruciverbalist:

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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April 21
April 14
April 7

March 31

March 24

March 17

March 1967 Radio-Electronics Puzzler

February 18

February 11

February 4

January 28

January 21

January 14

January 7

 

 

 

 

 

 

 

 

 

 

 

 

 

Electronics Theme Crossword Puzzle Solution for January 7, 2024 - RF Cafe 

Holzsworth
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Exodus Advanced Communications Best in Class RF Amplifier SSPAs