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Engineering & Science Theme Crossword Puzzle
February 11, 2024

This custom RF Cafe engineering & science themed crossword puzzle for February 11th 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 11th day, words containing the letter "K" 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

Engineering & Science Themed Crossword Puzzle for February 11, 2024 - RF Cafe

1. Unit of power *
6. Units of 1000 CPS *
9. Packet of 10^3 digital "0" or "1" symbols (pl.) *
15. Colorado Springs military school (abbr.)
16. Indium Gallium Phosphor semiconductor (abbr.)
18. High-speed multimedia (abbr.)
20. Filter type that blocks frequencies in a specified band (abbr.)
21. Electronics components & batteries supplier based in Japan *
23. Ground fault interrupter (abbr.)
24. Attenuator
25. Internet mail protocol (abbr.)
26. One port of an amplifier
28. U.K. equivalent of the IEEE
30. Fast Fourier transform (abbr.)
32. "Texting" (abbr.)
33. Nearest and furthest points to the center of gravitational attraction for a body in orbit
34. Logical gate type (pl.)
37. Schematic label for voltage supply node
39. Type of reconfigurable memory (abbr., pl.)
43. PC follower
44. Akin to an EE, CE, AE, etc.
45. Device which substitutes for an antenna during tests on a transmitter (2 wds.)
48. Graph
50. Chemical symbol for tantalum
52. Part of a FOR loop
53. 10E1 numerical prefix (pl.)
54. Test point (abbr.)
56. Akin to an EE, CE, AE, etc.
57. Mr. Piper's famous yellow airplane
59. 300 kHz to 3 MHz
62. Chemical symbol for rubidium
64. The "S" in SOIC
67. Reduced in amplitude
71. One type of electron spin
73. Multifunctional silicon devices (abbr.)
74. Refuse to absorb energy
76. Ham's code for "Shall I increase power?"
77. Crystal surface
78. Code for a type of electrical wire insulation
79. Adjust a pot
80. U.S. military organization (abbr.)
82. Radio Direction Finding (abbr.)
84. Time delay (abbr.)
85. Advanced Research Projects Agency (abbr.)
87. A common battery cell size
90. Output intercept point (abbr.)
91. Powers pneumatic devices
92. Test equipment (abbr.)
93. Computer monitor (abbr., pl.)
95. Ratio of a mechanical drawing
98. Negative temperature coefficient (abbr.)
99. An electron tube in which bunching of electrons is produced by electric fields, used in radars & microwave ovens *
100. Mass unit (abbr., pl.) *
101. Megavolt / 1000 *
1. 26.5 GHz to 40 GHz *
2. Discipline for aircraft navigation in low visibility environments (abbr.)
3. Chemical symbol for lanthanum
4. Wireless Home Digital Interface (abbr.)
5. Slang for when a professor hints at an exam problem (abbr.)
6. Cutting instrument *
7. Chemical symbol for mercury
8. Hit a component with an electrostatic discharge
10. One port of an amplifier
11. Unit of resistance (pl.)
12. Base Station Transceivers (abbr.)
13. Type of high frequency diode (abbr.)
14. Chemical symbol for thulium
16. Type of secondary radar system (abbr.)
17. Last stage in a transmitter (abbr.)
19. Sharp bend in I-V curve (pl.) *
22. Extremely high strength fiber used in explosion-proof enclosures & bullet-proof vests *
25. "Texting" (abbr.)
26. FCC Part 15 rules apply in this band (abbr.)
27. Strong cable covering
29. Official engineering change document (abbr., pl.)
31. Temporary Engineering Change document (abbr.)
32. Surface Mount Technology
35. One port of an amplifier
36. Type of component package (abbr.)
38. Chemical symbol for calcium
40. Unit of inductance (abbr.)
41. Type of data storage IC
42. Used logic gates
46. Yard (abbr.)
47. Dual Tone Multi-Frequency
49. Transform type for changing series shorted transmission line stub into a parallel open line stub *
51. Radio Amateur Satellite Corporation (abbr.)
55. Programmable logic device (abbr.)
57. Co-channel rejection ratio (abbr.)
58. Chemical symbol for beryllium
60. Method of self-detection and self-fixing transmission of digital data (abbr.)
61. Runge-_____ method in differential equations *
63. Number system of 1's and 0's
64. Adjust a pot
65. Front edge of a wing (abbr.)
66. Display type
68. Equalizer (abbr.)
69. Sound frequency in the human hearing range (abbr.)
70. Impurity in a semiconductor
72. It can follow an MS
74. Government program to bring electricity to farms (abbr.)
75. Device to assist in the performance of a chore (pl.)
79. Switch configuration (abbr.)
81. Singulated piece of IC wafer
83. First-in, first-out, abbr.
86. A common RS-232 serial bus command (abbr.)
88. Chemical symbol for arsenic
89. Abbreviation for acknowledge (also a common word used by Bill the Cat) *
92. Logic family (abbr.)
93. Chemical symbol for chlorine
94. Write-Once (abbr.)
96. Chemical symbol for silver
97. Chemical symbol for nickel
98. Chemical symbol for nobelium

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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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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