Engineering Theme Crossword Puzzle
June 12th, 2022

This custom made Engineering Theme Crossword Puzzle for June 12th is provided compliments of 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 puzzle 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

Engineering Theme Crossword Puzzle for June 12th, 2022 - RF Cafe

1. Impurity in a semiconductor
4. Greek letter used for coefficient of reflection
9. Feature in some waveguides used to increase operational bandwidth (pl.)
13. Multifunctional silicon devices (abbr.)
14. Passing control to another operator
16. Chemical symbol for copper
17. Unit of inductance (abbr.)
18. Reliability measure (abbr.)
21. Type of high speed Internet service (abbr.)
22. Inductor
25. 1/100 meter (abbr.)
26. Online venue for posting comments & reading replies (pl.)
28. Chemical symbol for einsteinium
29. Decimeter (abbr.)
31. Electricaly Alterable Read Only Memory
33. Army-Navy specification prefix
34. Ham abbreviation for transceiver
37. Unit of resistance
39. Opposite of a LO
40. Time Division Multiplexing
42. A triangle that has all three sides unequal in length
45. Compound used as the frequency determining element in microwave oscillators
46. Current-voltage phase mnemonic
48. Army-Navy specification prefix
50. Type of high-tech data gathering system (abbr.)
51. Chemical symbol for platinum
52. Semiconductor On Insulator (abbr.)
54. Mathematical table whose entries come from a fixed finite set of symbols (abbr.)
55. Wire mesh wrapped around center conductor
57. Type of reconfigurable memory (abbr.)
60. Chemical symbol for holmium
61. Home state of Los Alamos lab (abbr.)
62. Semiconductor and calculator company (abbr.)
63. Resistive component of a capacitor's lumped element model (abbr.)
65. Local Oscillator (abbr.)
66. Chemical symbol for manganese
67. Equalizer (abbr.)
68. Unit of energy
69. Slang for transmitter and/or receiver
70. System for guiding aircraft (abbr.)
71. Start frequency (abbr.)
72. Type of logic gate
74. ampere-hour (abbr.)
75. Software layer that allows a system to be programmed via a defined set of commands (abbr.)
76. Chemical symbol for cobalt
78. Local Oscillator (abbr.)
80. Unit of apparent power (abbr.)
81. Opposite of top
84. Type of formation for a pushrod end where it connects to a control arm (hyph., pl.)
87. ampere-hour (abbr.)
88. IC killer (abbr.)
90. Chemical symbol for neon
91. An efficient microstrip corner shape
93. Chemical symbol for antimony
94. Modulation technique that varies the width of pulses in a train (abbr.)
95. U.K. equivalent of the IEEE
97. In the middle
99. U.S. military organization (abbr.)
101. Decimeter (abbr.)
102. CDMA Development Group (abbr.)
103. Printer output resolution unit (abbr.)
105. Last stage in a transmitter (abbr.)
106. An arc of a circle equal to one eighth of its circumference
109. Chemical symbol for aluminum
111. Test equipment (abbr.)
112. A digital counter input line to establish an initial value
115. Chemical symbol for arsenic
116. Greek letter
118. Archaic abbreviation for picowatt
120. Circuit path with very high or infinite impedance
121. European equivalent to the U.L.
122. Type of current
123. Force or load that produces elongation
126. Chemical symbol for chromium
127. Electro-mechanical device used for the transmission of angular data between two or more remote points
128. A type of average (pl.)
129. Short for modulator/demodulator (pl.)

1. Method other than ion implantation to drive dopants into base semiconductor
2. Reflected sound
3. British astronomer ______ Halley
4. Chemical symbol for gallium
5. Boolean expression (pl.)
6. Lowest power level capable of being demodulated (abbr.)
7. Form into a specific shape
8. Sound frequency in the human hearing range (abbr.)
10. Software language by Borland
11. International phonetic alphabet letter "E"
12. Mathematical operation
14. 3 MHz to 30 MHz
15. A BPF specification (abbr.)
19. Chemical symbol for thulium
20. Base Station Transceivers (abbr.)
23. Original Equipment Manufacturer (abbr.)
24. ________ _____ - Degrees of separation between two lines meeting at a common vertex (2 wds., abbr.)
27. The "R" in BER
28. A popular spreadsheet
30. _____-Carlo analysis
32. Slang for transmitter and/or receiver (pl.)
35. Type of flip-flop
36. Voltage-current phase mnemonic
38. Chemical symbol for helium
41. milliampere-hour (abbr.)
43. The brightest star in Cepheus
44. Think "Pink Rabbit"
45. Elemental compound used for microwave frequency reference oscillators (abbr.)
47. CB slang for police speed radar (pl.)
49. Type of aircraft dope
51. Positive elementary particle found in the nucleus of all atoms (pl.)
53. Mathematical relationship of voltage, resistance, and current in a circuit (2 wds.)
55. Chemical symbol for tin
56. Base of the octal number system
58. Pick-and-_____ automated PCB component insertion tool
59. Unit of inductance (abbr.)
64. Half of a DIP
72. Applies too large of a signal
73. Chemical symbol for lead
77. 1E6 nanoseconds
79. Test instrument for measuring resistance (pl)
82. Exponent that returns the original number
83. Greek letter used for resistance
85. Securing device
86. Decibels above or below a dipole antenna (abbr.)
89. This calculus operation yields voltage across a capacitor
92. Logic family (abbr.)
94. Original BlackBerry or Jordana for example (abbr., pl.)
96. Computer messaging service (pl.)
97. Chemical symbol for cadmium
98. Filter type that blocks upper frequencies (abbr.)
100. Configured a switch to break electrical contact
102. Logic gate output configuration (abbr.)
104. Innovative Power Products, Holbrook, NY (abbr.)
107. Certificate of Successful Completion of Examination (abbr.)
108. Chemical symbol for nobelium
110. A crescent shaped figure formed on a sphere or plane by two intersecting arcs
111. Einstein's paradoxical traveler
113. One component of a complex number (abbr.)
114. ECM response
117. PC follower
119. Country of RF Cafe's residency
120. Switch position
124. Electromagnetic (abbr.)
125. Unix, Linux or Windows (abbr.)

See solution below

2022 Crosswords Archive

Take 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.