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Electrical Engineering Theme Crossword Puzzle
July 24th, 2022

This custom Electrical Engineering themed Crossword Puzzle for July 24th, 2022, is brought to you by RF Cafe. 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 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

Electrical Engineering Themed Crossword Puzzle for July 24th, 2022 - RF Cafe


1. Like carbon batteries
6. Intel 8086 or Motorola 6800 (abbr.)
7. Chemical symbol for cobalt
9. Adjusts the design to accommodate tolerances
11. Positively charged ion (pl.)
13. Front edge of a wing (abbr.)
14. 30 kHz to 300 kHz
16. Aircraft navigation system (abbr.)
17. Electronic Variable Optical Attenuator (abbr.)
20. Early operating system (still popular)
23. International Reply Coupon (abbr.)
26. 300 MHz to 3 GHz
27. Temporary Engineering Change document (abbr.)
29. Greek letter
30. Chemical symbol for thallium
32. Reliability measure (abbr.)
34. Scheme to maintain proper frequency (abbr.)
36. Filter type that blocks frequencies in a specified band (abbr.)
37. Test point (abbr.)
38. A type of jet fighter
40. Color quality
41. Engineer's blood plasma
44. Added an attenuator
45. Chemical symbol for manganese
46. Ham radio abbreviation for naturally occurring noise or interference
47. World's largest yearly convention of gadget and device manufacturers (abbr.)
48. Plane that the sun makes with the earth
51. Variable resistor
52. Exponent that returns the original number
53. Type of data conversion device (abbr.)
54. Short for "intermodulation"
56. Any mathematical statement that declares the values of two mathematical expressions to be equal
58. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr., pl.)
59. The computer in 2001: A Space Odyssey
61. Unit of time (abbr.)
62. Sudden, short-lived increase in voltage or current (pl.)
66. Change from a "1" to a "0"
70. Resistive component of a capacitor's lumped element model (abbr.)
71. One type of filter construction used in the 500 MHz to 1.5 GHz range
76. Min-to-max voltage of a waveform (abbr.)
77. Modulation type (abbr.)
78. Elemental compound used for microwave frequency reference oscillators (abbr.)
79. Part of a screw that engages the driver
81. Chemical symbol for silicon
82. Radio frequency interference (abbr.)
84. Mathematical basis for calculating noise power for a given bandwidth and temperature (abbr.)
86. Ground fault interrupter (abbr.)
88. System On Chip
89. An abbreviation for "transceiver"
90. General Mobile Radio Service (abbr.)
91. Precision landing system (abbr.)
93. Chemical symbol for beryllium
94. Chemical symbol for erbium
95. Bored a hole
98. Recovers the modulation from the RF signal
102. Type of component package (abbr.)
103. Person responsible for program spending (abbr.)
104. Radio receiver scheme which mixes a second frequency (LO) with the incoming radio signals

1. Silicon transistor type (abbr.)
2. One port of an amplifier
3. What do we call the time taken for 50% of the atoms of a radioactive sample to decay
4. A number that can be expressed as a/b, where a, b are integers
5. Engineering Change Order (abbr.)
6. European equivalent to the U.L.
8. Switch position
9. Capacitor type
10. Metal or plastic rod that connects a potentiometer wiper to a knob (pl.)
11. Torque transfer mechanism
12. Describes when a synchronous motor lost "lock"
13. Local Oscillator (abbr.)
15. An unlicensed radio band in the U.S. often used for walkie-talkies (abbr.)
16. A network of components used to partition voltage into certain levels at certain points (pl.)
18. Volume unit (abbr.)
19. Unit of resistance
21. Chemical symbol for neon
22. Multifunctional silicon devices (abbr.)
24. Method of mathematically evaluating voltage and current behavior
25. Reliability measure
28. Used logic gates
31. Filter type that blocks upper frequencies (abbr.)
33. Unit of heat
35. Unit of length (abbr.)
36. Manufacturer of project boxes
39. Automatic repeat request used in AMTOR (abbr.)
40. Type of cryptographic algorithm that takes a string and converts it to a numeric code
42. Electromagnetic interference (abbr.)
43. Integrates data onto a carrier wave
44. Unit for expressing a ratio
49. Keyboard key
50. Akin to WAC, only just in America
55. Radio term for indicating the end of a transmission segment
57. 2-way conversation, Ham term
60. Software layer that allows a system to be programmed via a defined set of commands (abbr.)
62. Joined two or more wires
63. A disk operation
64. Global System for Mobile Communications (abbr.)
65. The UK's largest defense electronics contractor (abbr.)
67. World's first satellite navigation system (abbr.)
68. Started as HPIB
69. 2-part adhesive (pl.)
71. Circuit containing a mixture of technologies
72. Radio signals from the cosmos (abbr.)
73. Plot through a family of characteristic curves the shows the operating point for a device (2 wds.)
74. Half of table salt
75. Was behind in phase
80. Design for Manufacturability (abbr.)
83. Wireless transmitting device that opens a car door remotely
84. Unit of frequency (archaic, abbr.)
85. Boob tube (abbr.)
87. Infrared (abbr.)
92. Chemical symbol for lawrencium
96. Type of flip-flop
97. International Microwave Symposium (abbr.)
99. Engineering Change Notice (abbr.)
100. Software engineering tool (abbr.)
101. Chemical symbol for thulium

See solution below


2022 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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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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Electrical Engineering Themed Crossword Puzzle for July 24th, 2022 - RF Cafe

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